52 13 ... Removing and installing/replacing guide for front left or right head restraint
Remove rear panel on front seat backrest
Basic seat, refer to 52 13 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL) .
Sports seat, refer to 52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL) .
Release catches (1) and (2) and slide guide (3) upwards.
Scheme 2
Pull guide (1) out of backrest (2).
Scheme 3
Installation
Catches (1) and (2) on guide (3) must not be damaged.
Scheme 4
Check that pushbutton (4) works properly.
After installing guide (3), make sure it is properly seated.
Release catches (1) and slide guide (2) upwards.
Scheme 5
Pull guide (1) out of backrest (2).
Scheme 6
Installation
Catch (1) on guide (2) must not be damaged.
After installing guide (2), make sure it is properly seated.
Scheme 7
52 13 ... Removing and installing/replacing seat pan and flexmat (normal/manual), left or right
Remove seat cover with support, refer to 52 13 400 REPLACING SEAT COVER ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
Release left screw (1) and slacken right screw only.
Scheme 8
Release left/right screws (3).
Slacken left/right screws (4) only.
Remove left retaining plate (2) downwards.
Installation
Tightening torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Press seat pan (1) upwards, thereby relieving tension on flexmat.
Scheme 9
Release screws (1) and remove retaining plates (2).
Scheme 10
Installation
Tightening torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Unhook cable (1) from holder (2).
Scheme 11
Turn seat pan (1) upwards.
Scheme 12
Detach flexmat (2) at rear from mounts (3).
Scheme 13
Detach seat pan (1) on left/right backwards/top from mount (2) and remove.
Detach flexmat (1) from mounts (2) on seat pan (3).
Scheme 14
52 13 000 Removing and installing left or right front seat (normal/manual)
Necessary preliminary tasks
- Remove head restraint, refer to «52 13 390 REMOVING AND INSTALLING / REPLACING FRONT HEADREST (NORMAL/ MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-390-removing-and-installing)
- Adjust front seat as far forward and upward as possible.
| WARNING | Read and comply with safety regulations for handling AIRBAG modules and pyrotechnical belt tensioners. Improper handling can lead to triggering of the pyrotechnical seat belt tensioner or side AIRBAG, resulting in injuries. |
Switch off ignition.
Saloon only
Release seatbelt screw (1) and feed out seatbelt strap (2).
Tightening torque, 31 Nm.
Scheme 15
All
Release screws (1) at rear.
Scheme 16
Tightening torque, 52 10 1AZ. Refer to SEATS - TIGHTENING TORQUES .
Installation
Replace screws.
Move front seat as far back as possible.
Unclip cover at front.
Release nuts (3) at front.
Scheme 17
Installation
Replace nuts.
Move front seat down and seat runners forward so that they are flush.
Unlock lock (1) and disconnect plug connection (2).
| IMPORTANT | Cover door sill with protective covers (risk of damage). |
Lift out front seat.
Installation
Carpet must not get between seat rails and floor pan in area of fastening points (grating noises).
Tightening torque, 52 10 1AZ. Refer to SEATS - TIGHTENING TORQUES .
52 13 015 Removing and installing / replacing controls on left / right front seat (normal / manual)
| WARNING | The actuating unit for front seats which was fitted during car production is different from the spare part. |
Actuating Unit Version (A)
The two adjusting screws (1) and (2) for eccentric disks, have a commercially available Torx screw head which is sealed with hot-melt adhesive.
Scheme 18
- The adjusting screws (1) and (2) must not be adjusted in the workshop.
- The actuating unit may only be removed from and refitted to the same front seat.
Actuating Unit Version (B)
The two adjusting screws (1) and (2) for eccentric disks, are secured with tamper protection in the screw head.
Scheme 19
- The adjusting screws (1) and (2) must not be adjusted in the workshop.
- The actuating unit may only be removed from and refitted to the same front seat.
Actuating Unit Version (C) (Spare Part)
The two adjusting screws for the eccentric disk have conventional Phillips heads.
Scheme 20
- The adjusting screws (1) and (2) can be adjusted in the workshop.
- The actuating unit may be fitted to either front seat.
- Prior to installation, apply an acid-free grease to thread; the grease forces the eccentric disk upwards during adjustment
Removing And Installing Actuating Unit
Remove front seat, refer to 52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
Remove outer cover on front seat, refer to 52 13 040 REMOVING AND INSTALLING / REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACK-REST (NORMAL / MANUAL) .
Move front seat to basic position
Scheme 21
| CAUTION | One seat runner is spring-loaded, risk of injury when unlocking. |
Operate actuating lever (1) and snap seat runners (2) into position by sliding.
Operate actuating lever (3) and snap seat cushion (4) into position by loading.
Operate actuating lever (5) and snap seat backrest (6) into position by moving.
Lever out rear trim (1), unclip clips (2) and remove trim (1).
Scheme 22
Installation
Catch (1) and clips (2) on trim (3) must not be damaged; replace if necessary.
Scheme 23
Version with seat heater and/or lumbar support: Slide cable (1) out of fixture (2) of actuating unit (3).
Scheme 24
Version with seat heater and/or lumbar support
Slide cable (1) out of fixture (2) of actuating unit (3).
Scheme 25
Model with lumbar supports
If necessary, slide cable (1) out of fixture (2) of actuating unit (3).
Scheme 26
If necessary, disconnect switch (4).
Release expansion rivet (1) and detach rocker (2) (adjustment lever) from lever (3).
Scheme 27
| CAUTION | Do not turn adjustment lever (2) on threaded rod (2). |
Lift actuating lever (1) and release screw (2).
Scheme 28
Release screws (3) and (4) and detach actuating unit (5).
Installation
Screw (3) is shorter than the others.
Insert screw (3) for assembly into actuating unit (5).
Tightening torque, 52 10 7AZ. Refer to SEATS - TIGHTENING TORQUES .
Installation
Front guide (1) and eccentric disks (2) on actuating unit (3) must not be damaged.
Scheme 29
Replacement Of Actuating Unit Version (C) (Spare Part) Only
Installation
For adjustment, coat threads (1) with acid-free grease.
The eccentric disks (2) and (4) are carried upwards for adjustment by the grease.
Scheme 30
- Threads for eccentric disks
- Eccentric disk for backrest adjustment
- Actuating lever for backrest adjustment
- Eccentric disk for seat height adjustment
- Actuating lever for seat height adjustment
Adjusting Actuating Unit, Actuating Unit Version (C) (Spare Part) Only
Adjusting seat height and backrest inclination
Scheme 31
- The screw heads of threads (2) must remain clipped in place
- Unscrew eccentric disk (1)
- Apply acid-free grease to threads (2)
- Screw on eccentric disk (1)
- Turn eccentric disk (1) to zero position: straight surface (3) of eccentric disk (1) must be at top.
Note. The figure does not match the replacement unit, the replacement unit has Phillips screws.
- Install actuating unit.
- Press screws (1) and (2) out of hexagon head to seat center and screw down.
Scheme 32
Tightening torque, 52 12 8AZ. Refer to SEATS - TIGHTENING TORQUES .
Adjust longitudinal seat setting
Scheme 33
- Compress unlocking plates (1) and (2) on seat runner on left/right with gripping pliers (3) (free of play)
Adjust longitudinal seat setting
Scheme 34
- Push new coupling link (1) (adjustment lever) onto threaded rod (3) and secure with expansion rivet (2)
Adjust longitudinal seat setting
Scheme 35
- Press actuating lever (1) for longitudinal seat adjustment downwards and press together locking clip (3) on coupling link (4) (coupling link (4) is now firmly connected to threaded rod (2))
- Install front seat in the car.
- If necessary, release expansion rivet (5) and readjust by turning coupling link (4)
Move front seat to basic position
Scheme 36
- Operate actuating lever (1) and snap seat runners (2) into position by sliding.
- Operate actuating lever (3) and snap seat cushion (4) into position by loading.
- Operate actuating lever (5) and snap seat backrest (6) into position by moving.
- Each actuating lever must have clearance until the mechanism is unlocked
- If there is no clearance, the mechanism may be in a semi-unlocked state (risk of injury in event of an accident)
- If there is excessive clearance, the mechanism may not unlock completely (no adjustment possible)
Carrying Out Checks Of Seat Height And Backrest Inclination Adjustment (Danger To Life Of Vehicle Occupants)
Check backrest inclination
Scheme 37
- Front seat must be in basic position
- Actuating lever (1) must be in zero position
- Pin (2) must rest against pull rod (3)
- There must be a clearance (A) (A) 0 to 0.5 mm
Check seat height
Scheme 38
- Front seat must be in basic position
- Actuating lever (1) must be in zero position
- Metal lever (2) must rest against metal lever (3)
- There must be a clearance (A) (A) 0 to 0.5 mm
52 13 025 Removing and installing/replacing seat mechanism (on front seat normal/manual), left or right
Remove seat pan and flexmat on front seat, refer to 52 13 ... REMOVING AND INSTALLING/REPLACING GUIDE FOR FRONT LEFT OR RIGHT HEAD RESTRAINT
Remove backrest frame on front seat, refer to 52 13 030 REMOVING AND INSTALLING / REPLACING BACKREST FRAME ON LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
Remove seatbelt tensioner.
Release screw (1) and cable tie (3).
Scheme 39
Remove retaining bracket (2) with seat wiring harness from seat mechanism (4).
52 13 030 Removing and installing / replacing backrest frame on left or right front seat (normal / manual).
Remove backrest frame and backrest cover with support, refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
Model with lumbar supports
If necessary, remove lumbar cushion on front seat, refer to 52 13 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT .
If necessary, remove valve housing for lumbar support, front.
If necessary, remove lumbar support drive mechanism on front seat, refer to 67 66 010 REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT .
If necessary, release screw (1) and remove metal nut (2).
Scheme 40
If necessary, remove mat (1) from spring wire (2) of backrest frame (3).
Scheme 41
Installation
If necessary, suspend mat (1) on uppermost spring wire (2) on backrest frame (3).
Scheme 42
52 13 040 Removing and installing / replacing outer cover on left or right front seat back-rest (normal / manual)
Unscrew bolt (1).
Scheme 43
Snap out catches (1) at front/rear and tongue (2) at rear from cover (3) towards top and pull outwards a little.
Scheme 44
Installation
Slide tongue (2) into mounts and snap into place.
Lever lugs (1) on cover (3) out of brackets (2).
Scheme 45
Lever out cover (1) at rear, detach at front from guide and remove.
Scheme 46
Model with lumbar supports
If necessary, press down catches (1) on left/right and remove switch (2) from cover (3).
Scheme 47
Installation
Following parts must not be damaged, replace cover (4) if necessary
Scheme 48
- Catches, top
- Guide, front
- Lugs, bottom
52 13 041 Removing and installing / replacing inner cover on left or right front seat backrest (normal/ manual)
Note. Shown removed for purposes of clarity.
Release screw (1) and remove trim (2).
Scheme 49
52 13 050 Replacing lumbar cushion on front left or right seat
Carry out following tasks beforehand
Removing rear panel on front seat backrest
- Basic seat, refer to «52 13 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-198-removing-and-installing)
- Sports seat, refer to «52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-15-198-removing-and-installingreplacing)
Detach backrest cover (1) from backrest frame (2).
Scheme 50
Note. If necessary, gently heat air hose when firmly seated. Housing (valve block) must not be unclipped (leaks). If it is unclipped, release screw and clip housing together.
Disconnect hoses (2) and (3) from valve housing (1).
- 2 Hose (blue) top cushion
- 3 Hose (red) bottom cushion
Scheme 51
Installation
Air hoses (2) and (3) must be laid without kinks.
Unhook lumbar cushion (1) from spring wire (2).
Scheme 52
Version with seat heating
Slide cable (3) for backrest heating to one side a little.
Press back support (1) a little.
Scheme 53
Turn lumbar cushion (2) and pull out downwards.
Installation
Check lumbar cushion (1) at top and (2) bottom for damage.
Scheme 54
Air hoses (3) must not be kinked.
Installation
Attach lumbar cushion (1) to third wire (2) above spring (3).
Scheme 55
Note. For purposes of clarity, shown here without valve housing.
Installation
Observe cable guide (1) for backrest heating.
Scheme 56
Lay air hoses (2) without kinks through hole (3).
Installation
Check function.
52 13 070 Removing and installing/replacing seat angle adjuster (normal/manual) on left or right front seat
Special tool required
- 51 2 100
Necessary preliminary tasks
- Remove front seat, refer to «52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-000-removing-and-installing)
- Remove actuating unit, refer to «52 13 015 REMOVING AND INSTALLING / REPLACING CONTROLS ON LEFT / RIGHT FRONT SEAT (NORMAL / MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-015-removing-and-installing)
| WARNING | Torsion bar spring (1) is subject to tension. Risk of injury. |
Lever torsion bar spring (1) with special tool 51 2 100 in direction of arrow from seat angle adjuster.
Scheme 57
Feed torsion bar spring (1) out of seat mechanism.
Installation
Make sure plastic protector is correctly positioned or contact surface between torsion bar spring and seat mechanism (grating noises).
Release screws (1).
Scheme 58
Installation
Replace Taptite screws (1).
Tightening torque, 52 10 16AZ. Refer to SEATS - TIGHTENING TORQUES .
Release screw (2).
Tightening torque, 52 10 17AZ. Refer to SEATS - TIGHTENING TORQUES .
Remove seat angle adjuster (3).
Installation
Slide left and right O-rings onto shaft. Make sure O-rings are correctly located between seat angle adjuster and seat pan.
52 13 198 Removing and installing / replacing rear panel on left or right front seat backrest (normal/manual)
Remove front seat, refer to 52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)
Release clips (1) with side cutting pliers.
Scheme 59
Note. Remove clip remainders.
Carefully pull cover (1) with piping (2) out of groove in rear panel (3).
Scheme 60
Installation
The cover piping (1) has a marking (2) which must line up with hole (3) in rear panel groove (4).
Scheme 61
From marking (2), press in piping (1) completely to left and right at bottom.
Five new repair clips must be fitted after each disassembly.
Release clips (1) (cut through with side cutting pliers).
Scheme 62
Note. Remove clip remainders.
Pull rear panel (1) off backrest cover (2).
Scheme 63
Installation
Holes (1) and (2) on rear panel (3) must not be damaged.
Scheme 64
Installation
Slide backrest cover (1) on left/right over clip mount (2).
Scheme 65
Installation
To prevent noise
Stick felt strip (1) to raised frame area (2).
Scheme 66
52 13 390 Removing and installing / replacing front headrest (normal/ manual)
Move backrest back.
Move headrest (1) as far upwards as possible.
Scheme 67
Unlock lock (2) and remove headrest (1).
52 13 400 Replacing seat cover on left or right front seat (normal/manual)
Special tools required
- 52 0 050
| WARNING | US/CND front passenger seat (with OC3 mat) only: seat cover must not be separated from padding. All parts must be replaced completely and released with the diagnosis system in event of defective seat cover, seat heating, OC3 mat or padding. |
Necessary preliminary tasks
- Remove inner cover, refer to «52 13 041 REMOVING AND INSTALLING / REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-041-removing-and-installing)
- Remove cover (normal/electric), refer to «52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-16-040-removing-and-installingreplacing) or outer actuating unit, refer to «52 13 015 REMOVING AND INSTALLING / REPLACING CONTROLS ON LEFT / RIGHT FRONT SEAT (NORMAL / MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-015-removing-and-installing) .
Seat with electric actuating unit only
Release screws (1).
Scheme 68
Pull trim (2) out a little and release screw (3).
Release clip (5) from carrier (4).
Remove trim (2) and carrier (4).
Installation
Cable holders (1) on carrier (2) must not be damaged.
Scheme 69
E46 only
Pull out tongue (1) on seat cover (2) on left/right.
Scheme 70
Detach seat cover (1) from seat frame (2).
Scheme 71
Version with seat occupancy detector
If necessary, disconnect plug connection (1) from control unit (2).
Scheme 72
Version with seat heating
If necessary, lever catch (1) towards top and detach cover (2).
Scheme 73
Disconnect plug connection (1) from seat heating.
Scheme 74
Disconnect plug connection (1) from seat heating.
Scheme 75
Expose cable (2).
Release retainers (1) on left/right.
Scheme 76
Pull out cover tabs (2) on left/right.
Pull out cover welt (1) completely from seat frame (2).
Scheme 77
Installation
Begin assembly in middle.
Cover piping (1) and seat frame (2) have markings for middle position.
Scheme 78
Fold in tongues (1) on seat cover and push through under backrest (2) towards front.
Scheme 79
Model without seat heating and without seat occupancy detector
Remove seat cover (1) towards front/top.
Scheme 80
Version with seat heater and/or with seat occupancy detector
Pull seat cover (1) forward a little and feed cable (2) out. Remove seat cover (1) towards front/top.
Scheme 81
Installation
The support is coated with wax to prevent grinding noises. Do not remove wax (1) on seat pan (2).
Scheme 82
Note. The operation "Removing complete seat cushion" ends here.
US/CND front passenger seat (with OC3 mat) only
New seat cover must be completely installed with padding, seat heating and OC3 mat.
Release seat occupancy detector
- Connect diagnosis system
- Release seat occupancy detector
- Clear fault memory if necessary
The operation "Replacing seat cover for front seat" ends here for the above-mentioned vehicles.
Replacing support
Detach retainers (1) at rear left/right from support (2).
Scheme 83
Release all retainers.
Scheme 84
Remove seat cover from support (foam rubber section).
Remove all remnants of clips from seat cover and support.
Installation
Bend new clips (2) with special tool 52 0 050.
Scheme 85
- Support
- Retainer
- Trim thread in support
- Trim thread in cover
- Seat cover
Installation
The support is coated with wax to prevent grinding noises.
Do not remove wax (1) on support (2).
Scheme 86
Passenger seat only (replacing support)
Installation
Make sure foam is not extensively damaged (malfunction of passenger seat occupancy detector).
Fit new sensor mat (1) for passenger seat occupancy detector.
Scheme 87
Align new sensor mat (1) on foam (2).
Feed plug (3) through bore hole (4).
Passenger seat only (replacing sensor mat)
Passenger seat only (replacing support)
Installation
- Detach liner (1) at individual points and stick sensor mat (2) onto foam (3).
Scheme 88
Note. The work for "Replacing support" ends here.
Passenger seat only (replacing sensor mat)
Pull plug (1) out of bore hole (2).
Scheme 89
Make sure foam is not extensively damaged (malfunction of passenger seat occupancy detector).
Carefully remove sensor mat (3) from support (4).
Note. The operation "Replacing sensor mat" ends here.
Replacing seat cover
Remove trim threads (1) from seat cover (2).
Scheme 90
Cut new seat cover (2) to size and insert trim threads (1).
Cable (3) for seat heating.
52 13 405 Replacing back-rest cover for left or right front seat (normal / manual)
Remove rear panel on front seat backrest, refer to 52 13 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL)
Detach backrest cover (1) from backrest frame (2).
Scheme 91
Version with seat heating only: expose seat heating cable
Remove outer cover on front seat
Manual operation, refer to 52 13 040 REMOVING AND INSTALLING / REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACK-REST (NORMAL / MANUAL) .
Electrical operation, refer to 52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC) .
Unfasten plug connection (1).
Scheme 92
Pull cable (2) out of holder (3).
Model with seat heating only
Pull out tongue (1).
Scheme 93
Pull cable (2) out of holder (3).
Model with seat heating only
Lift out Omega clip (1).
Scheme 94
Pull out cable (2) from Omega clip (1).
Model with lumbar supports
If necessary, disconnect plug connections (3) and (4).
Lift out Omega clip (1).
Removal/replacement of backrest frame only
Detach cover (1) on left/right.
Scheme 95
| CAUTION | Do not under any circumstances turn screw underneath screw (2), this would destroy the seat frame. |
Loosen left/right screw (2).
Detach backrest frame (3) with backrest cover upwards.
Installation
Replace screws (microencapsulated).
Tightening Torque, 52 10 2AZ. Refer to SEATS - TIGHTENING TORQUES .
Note. The operation "Removing complete backrest" ends here.
Removal of backrest cover with padding/replacement of backrest frame only
Remove both guides for front head restraint, refer to 52 13 ...REMOVING AND INSTALLING/REPLACING GUIDE FOR FRONT LEFT OR RIGHT HEAD RESTRAINT
Version with lumbar support only
Note. If necessary, gently heat air hose when firmly seated. Valve housing must not be unclipped, leakage. If the valve housing is unclipped, release screw and clip valve housing together.
Disconnect hoses (2) and (3) from valve housing (1).
Scheme 96
- 2 Hose (blue), top cushion
- 3 Hose (red), bottom cushion
Note. For purposes of clarity, shown here without valve housing.
Scheme 97
Installation
Observe cable guide (1) for backrest heating.
Lay air hoses (2) without kinks through hole (3).
Detach backrest cover (1) at sides towards front and remove with support upwards from backrest frame (2).
Scheme 98
Note. The operation "Removing backrest cover with support" ends here.
Removal of backrest cover from padding, replacing padding
Release retainers (1) on left/right of backrest cover (2).
Scheme 99
Note. Support (3) is reinforced in this area.
Release all retainers.
Scheme 100
Remove backrest cover (1) from padding.
Remove all remnants of retainers from backrest cover (1) and padding.
Installation
Fold in new clip (2) with special tool 52 0 050.
Scheme 101
- Support
- Retainer
- Trim thread in support
- Trim wire in backrest cover
- Back-rest cover
Note. The operation "Replacing support" ends here.
Replacement of backrest cover
Pull trim threads (1) out of backrest cover.
Cut new backrest cover to size and insert trim threads (1).
2 Seat heater cable
Scheme 102
52 13 410 Replacing seat and backrest covers for front seat (normal/manual), left or right
Operation is described in
- Replace seat cover for left or right front seat. Refer to «52 13 400 REPLACING SEAT COVER ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-400-replacing-seat-cover) .
- Replace backrest cover for left or right front seat. Refer to «52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-405-replacing-back-rest-cover) .
52 13 415 Replacing left or right support for front seat (normal / manual)
This operation is described in section on
Replacing seat cover on left or right front seat. Refer to 52 13 400 REPLACING SEAT COVER ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
52 13 420 Replacing left or right support for front seat back-rest (normal / manual)
This operation is described in section on
Replacing backrest cover for left or right front seat. Refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
52 14 060 Removing and installing / replacing valve housing for front left or right lumbar support (normal / manual)
Special tools required
- 52 0 050
Necessary preliminary tasks
- Remove rear panel on front seat, refer to «52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-15-198-removing-and-installingreplacing)
E83
If necessary, detach tensioning cables from backrest frame (2).
Scheme 103
Detach backrest cover (1) in direction of arrow from backrest frame (2).
E63
Detach tensioning cables (1) from backrest frame (2).
Scheme 104
Disconnect all retainers.
Detach partial cover (2) from backrest frame.
Installation
Lock new retainers by bending with special tool 52 0 050.
Disconnect plug connection (5).
Scheme 105
Note. If necessary, gently heat air hose when firmly seated.
Disconnect air hoses (2...4) from valve housing (1).
- 2 Hose (blue) top cushion
- 3 Hose (clear) lumbar drive
- 4 Hose (red) bottom cushion
Release screw (1) from inside.
Scheme 106
Remove valve housing (3) with metal nut (2).
Installation
Pay attention to seat heating cable guide (1).
Scheme 107
Lay air hoses (2) without kinks through hole (3).
Check function.
52 14 070 Removing and installing/replacing seat angle adjuster on left or right front seat (normal/electric)
Necessary preliminary tasks
- Remove front seat, refer to «52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-14-000-removing-and-installing)
- Remove outer cover, refer to «52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-16-040-removing-and-installingreplacing)
Release screws (1).
Scheme 108
Release screw (2).
Unclip carrier (3) from seat mechanism at rear.
Unlock plug connection (1) on drive unit (2) and disconnect.
Scheme 109
Release screws (1).
Scheme 110
Installation
Replace Taptite screws (1).
Tightening torque, 52 10 16AZ. Refer to SEATS - TIGHTENING TORQUES .
Release screw (2).
Tightening torque, 52 10 17AZ. Refer to SEATS - TIGHTENING TORQUES .
Remove seat angle adjuster (3).
Installation
Slide left and right O-rings onto shaft. Make sure O-rings are correctly located between seat angle adjuster and seat pan.
52 15 030 Removing and installing/replacing backrest frame on left or right front seat (sport/manual)
Remove backrest frame and backrest cover with padding, refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
Replacement only
Model with lumbar supports
If necessary, remove lumbar cushion on front seat, refer to 52 13 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT .
If necessary, remove valve housing for front lumbar support.
If necessary, remove drive unit for lumbar support on front seat, refer to 67 66 010 REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT .
Lift out mount (1) for rear panel at top and pull off towards rear/top from backrest frame (2).
Scheme 111
Installation
Catch (1) and guide (2) on mount (3) for rear panel must not be damaged.
Scheme 112
Guide taper (4) must point downwards.
If necessary, release screw (1) and remove metal nut (2).
Scheme 113
If necessary, remove mat (1) from spring wire (2) of backrest frame (3).
Scheme 114
Installation
If necessary, suspend mat (1) on uppermost spring wire (2) on backrest frame (3).
Scheme 115
52 15 070 Removing and installing/replacing seat angle adjuster (sport/manual) on left or right front seat
Special tools required
- 51 2 100
Necessary preliminary tasks
- Remove front seat, refer to «52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-000-removing-and-installing)
- Remove actuating unit, refer to «52 13 015 REMOVING AND INSTALLING / REPLACING CONTROLS ON LEFT / RIGHT FRONT SEAT (NORMAL / MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-015-removing-and-installing)
| WARNING | Torsion bar spring (1) is subject to tension. Risk of injury. |
Lever torsion bar spring (1) with special tool 51 2 100 in direction of arrow from seat angle adjuster.
Scheme 116
Feed torsion bar spring (1) out of seat mechanism.
Installation
Make sure plastic protector is correctly positioned on contact surface between torsion bar spring and seat mechanism (grating noises).
Release screws (1).
Scheme 117
Installation
Replace Taptite screws (1).
Tightening torque, 52 10 16AZ. Refer to SEATS - TIGHTENING TORQUES .
Release screw (2).
Remove seat angle adjuster (3).
Installation
Slide left and right O-rings onto shaft. Make sure O-rings are correctly located between seat angle adjuster and seat pan.
52 16 ... Removing and installing/replacing seat pan and flex mat on front left or right seat (sports/electric)
Remove seat cover with padding, refer to 52 16 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (SPORTS/ELECTRIC) .
Release left screw (1) and slacken right screw only.
Scheme 118
Release left/right screws (3).
Slacken left/right screws (4) only.
Lever out retaining plate (2) on left.
Installation
Tightening Torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Press seat pan (4) upwards, thereby relieving tension on flex mat.
Scheme 119
Release screw (1) and remove support (2) from gear (3).
Installation
Tightening Torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Installation
Using split-pin drift (1), lift support (2) onto guide (3).
Scheme 120
Version with seat occupancy detector
If necessary, unhook control unit (1) and cable (3) from holders (2).
Scheme 121
Turn seat pan (1) upwards.
Scheme 122
Detach flexmat (2) at rear from mounts (3).
Detach seat pan (1) on left/right backwards/top from mount (2) and remove.
Scheme 123
Detach flexmat (1) from mounts (2) on seat pan (3).
Scheme 124
Removing thigh support from seat pan
Unhook spring (1) from thigh support (2).
Scheme 125
Release screws (1) and remove thigh support (2).
Scheme 126
If necessary, release screws (1) and remove guide rails (2) from seat pan (3).
Scheme 127
Remove seat cover with support, refer to 52 13 400 REPLACING SEAT COVER ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
Release left screw (1) and slacken right screw only.
Scheme 128
Release left/right screws (3).
Slacken left/right screws (4) only.
Remove left retaining plate (2) downwards.
Installation
Tightening torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Press seat pan (1) upwards, thereby relieving tension on flexmat.
Scheme 129
Release screws (1) and remove retaining plates (2).
Scheme 130
Installation
Tightening torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Unhook cable (1) from holder (2).
Scheme 131
Turn seat pan (1) upwards.
Scheme 132
Detach flexmat (2) at rear from mounts (3).
Detach seat pan (1) on left/right backwards/top from mount (2) and remove.
Scheme 133
Detach flexmat (1) from mounts (2) on seat pan (3).
Scheme 134
52 14 ... Removing and installing/replacing guide for front left or right head restraint (normal/electric)
Operation is identical to
- Removing and installing guide for front head restraint (normal/manual). Refer to «52 13 ... REMOVING AND INSTALLING/REPLACING GUIDE FOR FRONT LEFT OR RIGHT HEAD RESTRAINT»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-removing-and-installingreplacing) .
52 14 000 Removing and installing left or right front seat (normal/electric)
Necessary preliminary tasks
- Remove head restraint. Refer to «52 13 390 REMOVING AND INSTALLING / REPLACING FRONT HEADREST (NORMAL/ MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-390-removing-and-installing) .
| WARNING | Read and comply with safety regulations for handling AIRBAG modules and pyrotechnical belt tensioners. Incorrect or improper handling may trigger the pyrotechnical belt tensioner or side AIRBAG and thereby cause injury. |
Adjust front seat as far forward and upward as possible.
Switch off ignition!
Release seatbelt screw (1) and feed out seatbelt strap (2).
Scheme 135
Tightening torque, 31 Nm.
Move front seat forwards/upwards as far as possible.
Unfasten screws (1).
Scheme 136
Tightening torque, 52 10 1AZ. Refer to SEATS - TIGHTENING TORQUES .
Move front seat backwards/downwards as far as possible.
If necessary, unclip protective caps upwards.
Unfasten screws (3).
Move seat runners forward so that they are flush.
Unlock lock (1) and disconnect plug connection (2).
Scheme 137
| IMPORTANT | Cover door sill with protective covers (risk of damage). |
Lift out front seat.
Installation
Floor carpet must not enter area between seat rails and floor panel beside screw points (grating noises).
Tightening torque, 52 10 1AZ. Refer to SEATS - TIGHTENING TORQUES .
52 14 025 Removing and installing/replacing seat mechanism on left or right front seat (normal/electric)
Special tools required
- 61 2 071
- 61 2 074
Carry out following tasks beforehand
- Remove seat pan and flexmat on front seat. Refer to «52 13 ... REMOVING AND INSTALLING/REPLACING SEAT PAN AND FLEXMAT (NORMAL/MANUAL), LEFT OR RIGHT»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-removing-and-installingreplacing) .
- Remove backrest frame on front seat. Refer to «52 13 030 REMOVING AND INSTALLING / REPLACING BACKREST FRAME ON LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-030-removing-and-installing) .
- Remove seat belt tensioner.
Release screw (1) and cable holder (3).
Scheme 138
Remove retaining bracket (2) with seat wiring harness from seat mechanism (4).
Attach cable 61 2 074 to cable 61 2 071 and connect plug connection (1) to front seat.
Scheme 139
Connect cable 61 2 071 to battery.
Check function.
52 14 030 Removing and installing/replacing backrest frame on front left or right seat (normal/electric)
Operation is identical to
Replacing backrest frame on left or right front seat (normal/manual). Refer to 52 13 030 REMOVING AND INSTALLING / REPLACING BACKREST FRAME ON LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL). .
Necessary preliminary tasks
- Remove rear panel on front seat, refer to «52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-15-198-removing-and-installingreplacing)
Replacement only
- Remove backrest cover, refer to «52 16 405 REPLACING BACKREST COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-16-405-replacing-backrest-cover)
- Remove lumbar cushion, refer to «52 14 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT (NORMAL/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-14-050-replacing-lumbar-cushion)
- Remove valve housing for lumbar support
- Remove drive unit for lumbar support, refer to «67 66 010 REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT»(/bmw/x3/e83-2003-2006/remont/door-locks-anti-theft-systems/#electrical-drives-repair-instructions__67-66-010-removing-and-installingreplacing)
- Remove release mechanism on front seat
Removing backrest frame only
Unhook backrest cover (1) on left and right.
Scheme 140
| IMPORTANT | Do not under any circumstances turn screw underneath screw (2), this would destroy the seat frame. |
Release screws (2) on left and right.
Installation
Replace screws (microencapsulated).
Tightening torque, 52 10 2AZ. Refer to SEATS - TIGHTENING TORQUES .
Remove backrest frame (3) with backrest cover towards top.
Replacing backrest frame only
Detach mount (1) for rear panel towards top/rear from backrest frame (2).
Scheme 141
Installation
Catch (1) and guide (2) on mount (3) for rear panel must not be damaged.
Scheme 142
Guide taper (4) must point downwards.
If necessary, remove mat (1) from spring wire (2) of backrest frame (3).
Scheme 143
Installation
If necessary, suspend mat (1) on uppermost spring wire (2) on backrest frame (3).
Scheme 144
52 14 040 Removing and installing/replacing outer cover on front left or right seat (normal/electric)
Operation is identical to
Remove and install/replace outer cover on front left or right seat (sports/electric), refer to 52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)
52 14 041 Removing and installing/replacing inner cover on front left or right seat (normal/electric)
Operation is identical to
Replacing inner cover on left or right front seat (normal/electric). Refer to 52 13 041 REMOVING AND INSTALLING / REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ MANUAL) .
52 14 050 Replacing lumbar cushion on front left or right seat (normal/electric)
Operation is identical to
Replacing lumbar cushion on left or right front seat (normal/manual). Refer to 52 13 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT .
Special tools required
- 52 0 050
Necessary preliminary tasks
- Remove rear panel on front seat, refer to «52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-15-198-removing-and-installingreplacing)
E83
If necessary, detach tensioning cables from backrest frame (2).
Scheme 145
Detach backrest cover (1) in direction of arrow from backrest frame (2).
E63
Detach tensioning cables (1) from backrest frame (2).
Scheme 146
Disconnect all retainers.
Detach partial cover (2) from backrest frame.
Installation
Lock new retainers by bending with special tool 52 0 050.
Disconnect plug connection (5).
Scheme 147
Note. If necessary, gently heat air hose when firmly seated.
Disconnect air hoses (2...4) from valve housing (1).
- 2 Hose (blue) top cushion
- 3 Hose (clear) lumbar drive
- 4 Hose (red) bottom cushion
Release screw (1) from inside.
Scheme 148
Remove valve housing (3) with metal nut (2).
Installation
Pay attention to seat heating cable guide (1).
Scheme 149
Lay air hoses (2) without kinks through hole (3).
Necessary preliminary tasks
- Remove front seat, refer to «52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-14-000-removing-and-installing)
- Remove outer cover, refer to «52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-16-040-removing-and-installingreplacing)
Release screws (1).
Scheme 150
Release screw (2).
Unclip carrier (3) from seat mechanism at rear.
Unlock plug connection (1) on drive unit (2) and disconnect.
Scheme 151
Release screws (1).
Scheme 152
Installation
Replace Taptite screws (1).
Tightening torque, 52 10 16AZ. Refer to SEATS - TIGHTENING TORQUES .
Release screw (2).
Tightening torque, 52 10 17AZ. Refer to SEATS - TIGHTENING TORQUES .
Remove seat angle adjuster (3).
52 14 198 Removing and installing/replacing rear panel on left or right front seat backrest (normal/electric)
Operation is identical to
Replacing rear panel on left or right front seat backrest (normal/manual). Refer to 52 13 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL) or 52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL) .
52 14 390 Removing and installing or replacing front left or right head restraints (normal/electric)
Operation is identical to
Replacing front left or right head restraint (normal/manual). Refer to 52 13 390 REMOVING AND INSTALLING / REPLACING FRONT HEADREST (NORMAL/ MANUAL) .
52 14 400 Replacing seat cover for left or right front seat (normal/electric)
Operation differs as follows and is described in
Replacing seat cover without thigh support for left or right front seat. Refer to 52 13 400 REPLACING SEAT COVER ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
Replacing seat cover with thigh support for left or right front seat. Refer to 52 16 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (SPORTS/ELECTRIC) .
52 14 405 Replacing backrest cover for front left or right seat (normal/electric)
Operation is identical to
Replacing backrest cover for left or right front seat (normal/manual). Refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
52 14 415 Replacing padding for left or right front seat (normal/electric)
This operation is described in section on
Replacing seat cover on left or right front seat. Refer to 52 14 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC) .
52 14 420 Replacing padding for left or right front seat backrest (normal/electric)
This operation is described in section on
Replace backrest cover for left or right front seat. Refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
52 14 899 Additional work (normal/ electric) with defective drive for longitudinal adjustment
Set seat tilt adjustment to max. up setting.
Release screw (1) on actuator drive (2) of longitudinal seat adjustment.
Scheme 153
Release screw (1) on servodrive (2) of longitudinal seat adjustment and remove servodrive (2).
Scheme 154
Activate the operating switch for the seat position adjustment
(A) No function
- Disconnect plug for longitudinal seat adjustment
- Connect new servodrive and check function
- If servodrive is running, gear is O.K.
- Reassemble front seat (B) Actuator drive running
- Transmission for longitudinal seat adjustment defective!
- Continue with Disassembly of faulty gear for longitudinal seat adjustment
Disassembly of faulty gear (1) for longitudinal seat adjustment
Note. For purposes of clarity, the backrest frame and seat cover are shown removed.
Scheme 155
- (2) Input shaft
- (3) Internal gear
Using a pneumatic saw (1), cut through drive shaft (2) from rear.
Scheme 156
Remove drive shaft (1) from gear (2).
Scheme 157
Release screw (1) and remove gear (2).
Scheme 158
Over rest of drive shaft (1), adjust front seat, release screws on floor panel and remove front seat.
Scheme 159
Note. If gear (4) is faulty, detach cover (2), release screws (3), and remove gear (4).
Replace seat mechanism on front seat.
52 16 ... Removing and installing/replacing carrier for outer cover on left or right front seat (sports/electric)
Remove outer front rover.
Release screws, remove lower section.
Scheme 160
52 15 ... Removing and installing/replacing guide for front left or right head restraint (sports/normal)
Operation is identical to
Removing and installing guide for front head restraint (normal/manual). Refer to 52 13 ... REMOVING AND INSTALLING/REPLACING GUIDE FOR FRONT LEFT OR RIGHT HEAD RESTRAINT .
52 15 000 Removing and installing front seat (sports/manual), left or right
Operation is identical to
Removing and installing front seat (normal/manual), left or right. Refer to 52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
52 15 015 Removing and installing/replacing actuating unit on front left or right seat (sports/manual)
Operation is identical to
Remove and install/replace actuating unit on front left or right seat (normal/manual), refer to 52 13 015 REMOVING AND INSTALLING / REPLACING CONTROLS ON LEFT / RIGHT FRONT SEAT (NORMAL / MANUAL)
52 15 025 Removing and installing/replacing seat mechanism on left or right front seat (sport/manual)
Operation is identical to
Replacing seat mechanism on left or right front seat (normal/electric). Refer to 52 14 025 REMOVING AND INSTALLING/REPLACING SEAT MECHANISM ON LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC) .
Remove backrest frame and backrest cover with padding, refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
Replacement only
Model with lumbar supports
If necessary, remove lumbar cushion on front seat, refer to 52 13 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT .
If necessary, remove valve housing for front lumbar support.
If necessary, remove drive unit for lumbar support on front seat, refer to 67 66 010 REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT .
Lift out mount (1) for rear panel at top and pull off towards rear/top from backrest frame (2).
Scheme 161
Installation
Catch (1) and guide (2) on mount (3) for rear panel must not be damaged.
Scheme 162
Guide taper (4) must point downwards.
If necessary, release screw (1) and remove metal nut (2).
Scheme 163
If necessary, remove mat (1) from spring wire (2) of backrest frame (3).
Scheme 164
Installation
If necessary, suspend mat (1) on uppermost spring wire (2) on backrest frame (3).
Scheme 165
52 15 040 Removing and installing/replacing outer cover on front left or right seat (sports/manual)
Operation is identical to
Remove and install/replace outer cover on front left or right seat (normal/manual), refer to 52 13 040 REMOVING AND INSTALLING / REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACK-REST (NORMAL / MANUAL)
52 15 041 Removing and installing/replacing inner cover on front left or right seat (sports/manual)
Operation is identical to
Replacing inner cover on left or right front seat (normal/electric). Refer to 52 13 041 REMOVING AND INSTALLING / REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ MANUAL) .
52 15 050 Replacing lumbar cushion on front left or right seat (sports/manual)
Operation is identical to
Replace lumbar cushion on front left or right seat (normal/manual), refer to 52 13 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT .
Special tools required
- 51 2 100
Necessary preliminary tasks
- Remove front seat, refer to «52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-000-removing-and-installing)
- Remove actuating unit, refer to «52 13 015 REMOVING AND INSTALLING / REPLACING CONTROLS ON LEFT / RIGHT FRONT SEAT (NORMAL / MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-015-removing-and-installing)
| WARNING | Torsion bar spring (1) is subject to tension. Risk of injury. |
Lever torsion bar spring (1) with special tool 51 2 100 in direction of arrow from seat angle adjuster.
Scheme 166
Feed torsion bar spring (1) out of seat mechanism.
Installation
Make sure plastic protector is correctly positioned on contact surface between torsion bar spring and seat mechanism (grating noises).
Release screws (1).
Scheme 167
Installation
Replace Taptite screws (1).
Tightening torque, 52 10 16AZ. Refer to SEATS - TIGHTENING TORQUES .
Release screw (2).
Remove seat angle adjuster (3).
Installation
Slide left and right O-rings onto shaft. Make sure O-rings are correctly located between seat angle adjuster and seat pan.
52 15 095 Removing and installing/replacing thigh support holder on front left or right seat (sports/manual)
Operation is identical to
Remove and install/replace thigh support holder on front left or right seat (sports/electric), refer to 52 16 095 REMOVING AND INSTALLING/REPLACING THIGH SUPPORT HOLDER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)
52 15 198 Removing and installing/replacing rear panel on front left or right seat backrest (sports/manual)
Release clips (1) with side cutting pliers.
Scheme 168
Note. Remove clip remainders.
Lever out rear panel (1) at bottom towards rear and pull out towards bottom from backrest frame (2).
Scheme 169
Installation
Bores (1) and fastening set (2) of rear panel (3) must not be damaged.
Scheme 170
Installation
Slide backrest cover (1) on left/right over clip mount (2).
Scheme 171
Installation
Mounts (1) on backrest frame (2) must not be damaged.
Scheme 172
To install rear panel, first slide into mounts (1) and then slide in at sides at bottom, refer to next work step.
Installation
After installing rear panel in upper mounts, refer to previous work step
Feed rear panel at sides into opening in backrest cover and insert into mounts (1) on left/right on backrest frame (2) and snap into place.
Scheme 173
52 15 390 Removing and installing or replacing front left or right head restraints (sports/manual)
Operation is identical to
Replacing front left or right head restraint (normal/manual). Refer to 52 13 390 REMOVING AND INSTALLING / REPLACING FRONT HEADREST (NORMAL/ MANUAL) .
52 15 400 Replacing seat cover for left or right front seat (sport/manual)
Operation is identical to
Replacing seat cover for left or right front seat (normal/manual). Refer to 52 16 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (SPORTS/ELECTRIC) .
52 15 405 Replacing backrest cover for left or right front seat (sport/manual)
Operation is identical to
Replacing backrest cover for left or right front seat (normal/manual). Refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
52 15 415 Replacing padding for left or right front seat (sport/manual)
This operation is described in section on
Replacing seat cover on left or right front seat. Refer to 52 13 400 REPLACING SEAT COVER ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
52 15 420 Replacing padding for left or right front seat backrest (sport/manual)
This operation is described in section on
Replace backrest cover for left or right front seat. Refer to 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL) .
Necessary preliminary tasks
- Remove rear panel on front seat, refer to «52 14 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-14-198-removing-and-installingreplacing) or «52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-15-198-removing-and-installingreplacing)
Replacement only
- Remove backrest cover, refer to «52 16 405 REPLACING BACKREST COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-16-405-replacing-backrest-cover)
- Remove lumbar cushion, refer to «52 13 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-050-replacing-lumbar-cushion)
- Remove valve housing for lumbar support
- Remove drive unit for lumbar support
- Remove release mechanism on front seat
Removing backrest frame only
Unhook backrest cover (1) on left and right.
Scheme 174
| IMPORTANT | Do not under any circumstances turn screw underneath screw (2), this would destroy the seat frame. |
Release screws (2) on left and right.
Installation
Replace screws (microencapsulated).
Tightening torque, 52 10 2AZ. Refer to SEATS - TIGHTENING TORQUES .
Remove backrest frame (3) with backrest cover towards top.
Replacing backrest frame only
Detach mount (1) for rear panel towards top/rear from backrest frame (2).
Scheme 175
Installation
Catch (1) and guide (2) on mount (3) for rear panel must not be damaged.
Scheme 176
Guide taper (4) must point downwards.
If necessary, remove mat (1) from spring wire (2) of backrest frame (3).
Scheme 177
Installation
If necessary, suspend mat (1) on uppermost spring wire (2) on backrest frame (3).
Scheme 178
For procedure, refer to 52 14 899 ADDITIONAL WORK (NORMAL/ ELECTRIC) WITH DEFECTIVE DRIVE FOR LONGITUDINAL ADJUSTMENT .
Remove outer front rover.
Release screws, remove lower section.
Scheme 179
52 16 ... Removing and installing/replacing guide for front left or right head restraint (sports/electric)
Operation is identical to
- Removing and installing guide for front head restraint (normal/manual). Refer to «52 13 ... REMOVING AND INSTALLING/REPLACING GUIDE FOR FRONT LEFT OR RIGHT HEAD RESTRAINT»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-removing-and-installingreplacing) .
Remove seat cover with padding
Release left screw (1) and slacken right screw only.
Scheme 180
Release left/right screws (3).
Slacken left/right screws (4) only.
Lever out retaining plate (2) on left.
Installation
Tightening Torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Press seat pan (4) upwards, thereby relieving tension on flex mat.
Release screw (1) and remove support (2) from gear (3).
Scheme 181
Installation
Tightening Torque, 52 10 9AZ. Refer to SEATS - TIGHTENING TORQUES .
Installation
Using split-pin drift (1), lift support (2) onto guide (3).
Scheme 182
Version with seat occupancy detector
If necessary, unhook control unit (1) and cable (3) from holders (2).
Scheme 183
Turn seat pan (1) upwards.
Detach flexmat (2) at rear from mounts (3).
Scheme 184
Detach seat pan (1) on left/right backwards/top from mount (2) and remove.
Scheme 185
Detach flexmat (1) from mounts (2) on seat pan (3).
Scheme 186
Removing thigh support from seat pan
Unhook spring (1) from thigh support (2).
Scheme 187
Release screws (1) and remove thigh support (2).
Scheme 188
If necessary, release screws (1) and remove guide rails (2) from seat pan (3).
Scheme 189
52 16 000 Removing and installing front seat (sports/electric), left or right
Operation is identical to
Removing and installing front seat (normal/manual), left or right. Refer to 52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL) .
52 16 025 Removing and installing/replacing left or right seat mechanism (on sport/electric front seat)
Remove seat pan and flexmat on front seat
Remove backrest frame on front seat
Remove seatbelt tensioner.
Disconnect all plug connections (1) from actuator drives.
Scheme 190
Remove seat wiring harness from seat mechanism (2).
Installation
Perform function check
Connect cable 61 2 071 to battery
connect cable 61 2 074 to cable 61 2 071 and plug connection (1) to front seat.
Scheme 191
52 16 030 Removing and installing/replacing backrest frame on left or right front seat (sport/electric)
Operation is identical to
Replacing backrest frame on left or right front seat (sport/manual). Refer to 52 15 030 REMOVING AND INSTALLING/REPLACING BACKREST FRAME ON LEFT OR RIGHT FRONT SEAT (SPORT/MANUAL) .
52 16 040 Removing and installing/replacing outer cover on front left or right seat (sports/electric)
Unscrew bolt (1).
Scheme 192
Removing top cover
Scheme 193
- A Snap out catch (1) on front cover (2) towards bottom and pull cover (2) outwards a little.
- B Snap out catch (3) on rear cover (2) towards front/bottom and pull cover (2) outwards a little.
Lever lugs (1) on cover (3) out of brackets (2).
Scheme 194
Lever out cover (1) at rear, detach at front from guide and remove.
Scheme 195
Installation
Do not crush cables (1) during installation.
Scheme 196
Insert lugs (2) into mounts (3) and snap into place.
Disconnect plug connection (1).
Scheme 197
Lever out lugs (2) and detach switch combination (3).
Installation
Guides (1) and catches (2) on switch combination (3) must not be damaged.
Scheme 198
Model with lumbar supports
If necessary, expose cable (1) and disconnect plug connection (2).
Scheme 199
Replacement only
If necessary, press down catches (3) on left/right and remove switch (4) from cover.
Installation
Following parts must not be damaged, replace cover (4) if necessary
Scheme 200
- Mounts for switch combination
- Guide, front
- Tabs
Replacement of switch combination only or in event of further work on front seat
Disconnect plug connection (1) and remove switch combination (2).
Scheme 201
52 16 041 Removing and installing/replacing inner cover on front left or right seat (sports/electric)
Operation is identical to
Replacing inner cover on left or right front seat (normal/electric). Refer to 52 13 041 REMOVING AND INSTALLING / REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ MANUAL) .
52 16 070 Removing and installing/replacing seat angle adjuster on left or right front seat (sport/electric)
Necessary preliminary tasks
- Remove front seat, refer to «52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-14-000-removing-and-installing)
- Remove outer cover, refer to «52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-16-040-removing-and-installingreplacing)
Release screws (1).
Scheme 202
Release screw (2).
Unclip carrier (3) from seat mechanism at rear.
Unlock plug connection (1) on drive unit (2) and disconnect.
Scheme 203
Release screws (1).
Scheme 204
Installation
Replace Taptite screws (1).
Tightening torque, 52 10 16AZ. Refer to SEATS - TIGHTENING TORQUES .
Release screw (2).
Tightening torque, 52 10 17AZ. Refer to SEATS - TIGHTENING TORQUES .
Remove seat angle adjuster (3).
Installation
Slide left and right O-rings onto shaft. Make sure O-rings are correctly located between seat angle adjuster and seat pan.
52 16 095 Removing and installing/replacing thigh support holder on front left or right seat (sports/electric)
Unfasten thigh support and pull completely towards front.
Detaching cushion for thigh support
Bend open retaining plates (1) and remove cover piping (2).
Scheme 205
Note. Cushion (1) is attached at front with double -sided adhesive tape (3) to holder (2).
Pull cushion (1) towards top off holder (2).
Scheme 206
Lever trim wire (1) out of mounts (2).
Scheme 207
Installation
Stick new double-sided adhesive tape (4) to holder (3) or attach mount with spray adhesive.
Note. The operation "Removing cushion for thigh support" ends here.
Removal of "Thigh support holder" only
Unhook spring (1) at bottom from holder (2) and seat frame (3).
Scheme 208
Release screws (1).
Scheme 209
Press operating lever (2) fully and detach holder (3) for thigh support towards front from seat frame (4).
Installation
Following parts on holder (5) must not be damaged
Scheme 210
- Mounts for trim wire
- Holding-down elements for trim wire
- Guide sleeves
- Double-sided adhesive tape (replace or coat with spray adhesive for assembly)
Installation
If necessary, release screws (1) and remove guide rails (2) from seat frame (3).
Scheme 211
Necessary preliminary tasks
- Move thigh support forwards fully
Unfasten plug connection (1) and disconnect.
Scheme 212
Release screws (2).
Installation
Insert screws (2) with Loctite.
Detach seat cover (1) in marked area from carrier (2) for thigh support.
Scheme 213
Feed plug out of carrier (2) for thigh support.
Remove carrier (2) for thigh support.
52 16 198 Removing and installing/replacing rear panel on front left or right seat backrest (sports/electric)
Operation is identical to
Remove and install/replace rear panel on front left or right seat backrest (sports/manual). Refer to 52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL)
52 16 390 Removing and installing/replacing front head restraint (sports/electric) on left or right
Operation is identical to
Replacing front left or right head restraint (normal/manual). Refer to 52 13 390 REMOVING AND INSTALLING / REPLACING FRONT HEADREST (NORMAL/ MANUAL) .
52 16 400 Replacing seat cover for left or right front seat (sports/electric)
Special tools required
- 52 0 050
| WARNING | US/CND front passenger seat (with OC3 mat) only: Seat cover must not be separated from padding. All parts must be replaced completely and released with the diagnosis system in event of defective seat cover, seat heating, OC3 mat or padding. |
Necessary preliminary tasks
- Remove front seat, refer to «52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-000-removing-and-installing)
- Remove outer cover with actuating unit, refer to «52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-16-040-removing-and-installingreplacing)
- Remove inner cover, refer to «52 13 041 REMOVING AND INSTALLING / REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ MANUAL)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-13-041-removing-and-installing)
Version with seat heating
If necessary, disconnect plug connection (1).
Scheme 214
Release cable strap (2).
Detach cable (3) from holder (4).
Detach cable (1) from holder (2).
Scheme 215
Release screw (1) on inside/outside.
Scheme 216
Unclip clips (3) towards bottom and pull trim (2) out a little.
Release screws (1).
Scheme 217
Pull trim (2) out a little and release screw (3).
Release clip (5) from carrier (4).
Remove trim (2) and carrier (4).
Installation
Cable holders (1) on carrier (2) must not be damaged.
Scheme 218
Installation
Clips (1) on sports seat trim (2) must not be damaged.
Scheme 219
Note. The operation "Removing holder for actuation" ends here.
Version with seat occupancy detector
If necessary, disconnect plug connection (1) from control unit (2).
Scheme 220
Version with seat heating
If necessary, release locks (1) and detach plug housing (2).
Scheme 221
If necessary, press lock (1) downwards and detach cover (2).
Scheme 222
Disconnect plug connection (1) for seat heating from plug housing (2).
Scheme 223
Pull cable (1) out of holders (2).
Scheme 224
E46 only
Pull out tongue (1) on seat cover (2) on left/right.
Scheme 225
Detach seat cover (1) from seat frame (2).
Scheme 226
Pull out cover welt (1) completely from seat frame (2).
Scheme 227
Fold in ends (1) on seat cover and push through under backrest (2) towards front.
Scheme 228
Unfasten thigh support and pull completely towards front.
Scheme 229
Bend open retaining plates (1) and remove cover piping (2).
Note. Cushion (1) is secured at front with double -sided adhesive tape (3) to carrier (2).
Pull cushion (1) towards top off carrier (2).
Scheme 230
Lever trim wire (1) out of mounts (2).
Scheme 231
Installation
Stick new double-sided adhesive tape (4) to carrier (3) or attach mount with spray adhesive.
Model without seat heating and without seat occupancy detector
Remove seat cover (1) with thigh support (2) towards front/top.
Scheme 232
Model with seat heating and/or with seat occupancy detector
Pull seat cover (1) forward a little and feed cable (2) out.
Scheme 233
Remove seat cover (1) with thigh support towards front/top.
Note. The operation "Removing complete seat cushion" ends here.
US/CND front passenger seat (with OC3 mat) only
New seat cover must be completely installed with padding, seat heating and OC3 mat.
Release seat occupancy detector
- Connect diagnosis system
- Release seat occupancy detector
- Clear fault memory if necessary
The operation "Replacing seat cover for front seat" ends here for the above-mentioned vehicles.
Replacing support or sensor mat
Release clips (1) and (2) at rear left/right from support (3).
Scheme 234
Release all clips (1) on left/right and center (2) from support (3).
Scheme 235
Version with seat heating
Installation
Note routing of seat heater cable (1).
Scheme 236
Do not damage with clips.
Release all retainers.
Scheme 237
Remove seat cover from support (foam rubber section).
Remove all remnants of clips from seat cover and support.
Remove support (1) from seat cover (2).
Scheme 238
Version with seat heating
Installation
If necessary, detach heating mat (1) from adhesive tape (2) of thigh support.
Scheme 239
3 Seat heater cable
Stick double-sided adhesive tape (2) to support (1) or coat with spray adhesive.
Scheme 240
Version with seat heater and/or with seat occupancy detector
Installation
Feed seat heater cable (1) through bore hole (3).
Scheme 241
Feed seat heater cable (2) through bore hole (4).
Installation
Bend new clips (2) with special tool 52 0 050.
Scheme 242
- Support
- Retainer
- Trim thread in support
- Trim thread in cover
- Seat cover
Installation
Support (2) must be coated with wax (1) to prevent grinding noises.
Scheme 243
Do not remove wax (1) on support (2).
Passenger seat only (replacing support)
Installation
Make sure foam is not extensively damaged (malfunction of passenger seat occupancy detector).
Lay sensor mat connection without creasing into groove on support.
Scheme 244
Fit new sensor mat (1) for passenger seat occupancy detector.
Align new sensor mat (1) on foam (2).
Feed plug (3) through bore hole (4).
Installation
Detach liner (1) at individual points and stick sensor mat (2) onto foam (3).
Scheme 245
Note. The operation "Replacing support or sensor mat" ends here.
Replacing seat cover
Remove trim threads (1) from seat cover (2).
Scheme 246
Cut new seat cover (2) to size and insert trim threads (1).
3 Seat heater cable
52 16 405 Replacing backrest cover on front left or right seat (sports/electric)
Remove rear panel from front seat backrest
Detach backrest cover (1) from backrest frame (2).
Scheme 247
Unhook ends of tensioning cord (1) from backrest frame (2).
Scheme 248
Installation
Pass tensioning cord (1) with backrest cover (3) on left/right round clip mount (2).
Scheme 249
Hook ends of tensioning cord to backrest frame, refer to previous work step.
Installation instruction for backrest width adjustment
Lay tension cables (1...2) underneath hoses (3) and cables (4).
Scheme 250
Exposing cable for seat heating on version with seat heating only
Removing outer cover on front seat
Manual controls, refer to 52 13 040 REMOVING AND INSTALLING / REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACK-REST (NORMAL / MANUAL) .
Electrical controls, refer to 52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC) .
Unfasten plug connection (1).
Pull cable (2) out of holder (3).
Scheme 251
Model with seat heating only
Pull out tongue (1).
Scheme 252
Pull cable (2) out of holder (3).
Model with seat heating only
Lift out Omega clip (1).
Scheme 253
Pull out cable (2) from Omega clip (1).
Model with lumbar supports
If necessary, disconnect plug connections (3) and (4).
Lift out Omega clip (1).
Removal or replacement of backrest frame only
| CAUTION | Do not under any circumstances turn screw underneath screw (2), this would destroy the seat frame. |
Scheme 254
Press backrest cover (1) to one side and release screw (2) on left/right.
Detach backrest frame (3) with backrest cover upwards.
Installation
Replace screws (2) (microencapsulation).
Tightening torque, 52 10 2AZ. Refer to SEATS - TIGHTENING TORQUES .
Note. The work for "Removing complete backrest" ends here.
Removal of backrest cover with padding or replacement of backrest frame only
Remove both guides for head restraint at front, refer to 52 13 ... REMOVING AND INSTALLING/REPLACING GUIDE FOR FRONT LEFT OR RIGHT HEAD RESTRAINT .
Version with lumbar support only
Disconnect hoses (2) and (3) from valve housing (1).
Scheme 255
Note. If necessary, gently heat air hose when firmly seated. Valve housing must not be unclipped: leakage. If the valve housing is unclipped, release screw and clip valve housing together.
2 Hose (blue), top cushion
3 Hose (red), bottom cushion
Note. For purposes of clarity, shown here without valve housing.
Installation
Observe cable guide (1) for backrest heating.
Scheme 256
Lay air hoses (2) without kinks through hole (3).
Version with lumbar support and backrest width adjustment only
Detach hoses (1) and (2) at cutting line (heat with hot air blower if necessary).
Scheme 257
- Hose (blue) upper cushion (lumbar support)
- Hose (red) lower cushion (lumbar support)
- Hose (white) right cushion (backrest width
- Hose (white) left cushion (backrest width adjustment)
- Motor pump unit
Detach backrest cover (1) at sides towards front and remove with support upwards from backrest frame (2).
Scheme 258
Note. The work for "Removing backrest cover with padding" ends here.
Removal of backrest cover from padding, replacing padding
Release retainers (1) on left/right of backrest cover (2).
Scheme 259
Note. Support (3) is reinforced in this area. Note routing of tensioning strap (4).
First detach clips (1).
Scheme 260
Fold back piping (2) with backrest cover (3).
Detach all remaining clips.
Scheme 261
Remove backrest cover (1) from padding.
Remove all remnants of retainers from backrest cover (1) and padding.
Installation
Fold in new clip (2) with special tool 52 0 050.
Scheme 262
Note. The work for "Replacing padding" ends here.
Replacement of backrest cover
Pull trim threads (1) out of backrest cover.
Scheme 263
Cut new backrest cover to size and insert trim threads (1).
2 Seat heater cable
52 16 415 Replacing padding for left or right front seat (sport/electric)
This operation is described in section on
Replacing seat cover on left or right front seat. Refer to 52 16 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (SPORTS/ELECTRIC) .
52 16 420 Replacing padding for left or right front seat backrest (sport/electric)
This operation is described in section on
Replace backrest cover for left or right front seat. Refer to 52 16 405 REPLACING BACKREST COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC) .
52 26 ... Removing and installing/replacing finishing strip on armrest for rear seat
Special tools required
- 00 9 317
Slide special tool 00 9 317 behind retaining pin of upper cover section underneath finishing strip and unclip strip towards rear.
Scheme 264
Repeat procedure if necessary on other side.
Feed finishing strip out of armrest pins.
52 26 ... Removing and installing/replacing fixture for roller blind on rear seat (through-loading system) on left/right
Unclip cover (1) on both sides towards top.
Scheme 265
Unfasten screws (2).
Scheme 266
Installation
Clips (1) must not be damaged.
Fit opening of cover for upper backrest edge.
52 26 ... Removing and installing/replacing ski bag with casing on rear seat (through-loading system)
Special tools required
- 00 9 317
Necessary preliminary tasks
- Remove center armrest, refer to «52 26 030 REMOVING AND INSTALLING/REPLACING ARMREST FOR REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-030-removing-and-installingreplacing)
Press ski bag (1) on rear side out of backrest.
Scheme 267
Lift off cover (1).
Scheme 268
Release screws (2).
Installation
Make sure cover is correctly installed.
Unclip mounting frame (1) on rear side with special tool 00 9 317.
Scheme 269
Installation
Do not damage plastic clips. Danger of kinking!
Remove skibag trim (1).
Scheme 270
52 26 005 Removing and installing/replacing rear seat (through-loading system)
Unclip rear seat on left/right towards top.
Scheme 271
For op. ext. seat heating only
Unfasten plug connection.
Lift out rear seat.
Installation
Feed belt buckles (1) through designated openings into correct location.
Make sure ISOFIX covers (2) are correctly engaged.
52 26 008 Removing and installing/replacing left/right sides of backrest on rear seat backrest (through-loading)
Necessary preliminary tasks
- Release rear-seat backrest and fold forward.
Unclip rest side section (1) and pull out in direction of arrow (2).
Scheme 272
Installation
Make sure rest side section is correctly seated in guide.
52 26 015 Removing and installing/replacing left or right rear seat backrest (through-loading system)
Carry out following tasks beforehand
- Remove armrest side section on rear seat backrest, refer to «52 26 008 REMOVING AND INSTALLING/REPLACING LEFT/RIGHT SIDES OF BACKREST ON REAR SEAT BACKREST (THROUGH-LOADING)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-008-removing-and-installingreplacing)
- Remove center seat belt (lower fastening, refer to 72 11 103 Removing and installing/replacing rear center seat belt
Fold down backrests.
Release screws (1) of outer mount.
Scheme 273
Release screws (2) of center mount.
Remove center mount (3).
Installation
Correctly place center mount on bearing pedestal.
If necessary, replace faulty outer mount.
Lever both backrests out of center mount (1) and pull out left backrest (2) towards left. In the process, mounting shaft of right backrest is pulled out of left backrest.
Scheme 274
Remove left backrest (2) from vehicle.
Note. Removal of both backrests: Release screws on outer mount of right backrest and remove backrest. Removal of right backrest: Proceed in mirror-inverted fashion to left backrest.
Installation
Bearing bushings (1) must not be damaged.
Scheme 275
Replace faulty bearing bushings. Refer to 52 26 412 REPLACING BACKREST COVER FOR RIGHT REAR SEAT (THROUGH-LOADING SYSTEM) .
52 26 030 Removing and installing/replacing armrest for rear seat backrest (through-loading system)
Fold down right backrest.
Unscrew bolt (1).
Scheme 276
Remove armrest first towards front and then sideways.
52 26 033 Removing and installing/replacing upper cover section on armrest for rear seat
Drive out two-part hinge pin (1) with a suitable tool (bar, etc.), pressing material in area (2) on both sides (risk of damage).
Scheme 277
Installation
Drive in one hinge pin each from right and left. Hinge pins must be flush with outer edge of hinge.
52 26 080 Removing and installing/replacing backrest frame for left rear seat (through-loading system)
Necessary preliminary tasks
- Remove backrest cover with padding on left, refer to «52 26 411 REPLACING BACKREST COVER FOR REAR SEAT (THROUGH-LOADING SYSTEM) ON LEFT»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-411-replacing-backrest-cover)
- Remove mounting for roller blind, refer to «52 26 ... REMOVING AND INSTALLING/REPLACING FIXTURE FOR ROLLER BLIND ON REAR SEAT (THROUGH-LOADING SYSTEM) ON LEFT/RIGHT»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-removing-and-installingreplacing)
- Remove lock for rear seat backrest
Unclip retainers and remove.
Scheme 278
Remove backrest frame (1).
Replacement only
Release screws (1).
Scheme 279
Remove retaining hook (2).
Unscrew bolt (3).
Tightening torque, 72 11 15AZ.
Remove automatic reel (4) with Bowden cable.
52 26 085 Removing and installing/replacing backrest frame for right rear seat (through-loading system)
Necessary preliminary tasks
- Remove backrest cover with padding on right, refer to «52 26 412 REPLACING BACKREST COVER FOR RIGHT REAR SEAT (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-412-replacing-backrest-cover)
- Remove mounting for roller blind, refer to «52 26 ... REMOVING AND INSTALLING/REPLACING FIXTURE FOR ROLLER BLIND ON REAR SEAT (THROUGH-LOADING SYSTEM) ON LEFT/RIGHT»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-removing-and-installingreplacing)
- Remove lock for rear seat backrest, refer to «52 26 309 REMOVING AND INSTALLING/REPLACING LOCK FOR LEFT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-309-removing-and-installingreplacing)
Unclip retainers and remove.
Scheme 280
Remove backrest frame (1).
52 26 199 Removing and installing/replacing rear panel on left rear seat backrest (through-loading system)
Operation is described in
- Removing and installing/replacing backrest frame for left rear seat backrest. Refer to «52 26 080 REMOVING AND INSTALLING/REPLACING BACKREST FRAME FOR LEFT REAR SEAT (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-080-removing-and-installingreplacing) .
52 26 200 Removing and installing/replacing rear panel on right rear seat backrest (through-loading system)
Operation is described in
- Removing backrest frame for right rear seat backrest, refer to «52 26 085 REMOVING AND INSTALLING/REPLACING BACKREST FRAME FOR RIGHT REAR SEAT (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-085-removing-and-installingreplacing)
52 26 301 Removing and installing /replacing actuating mechanism for left rear seat backrest (through-loading system)
Grasp trim (1) for release lever from inside and pry out upward.
Scheme 281
Installation
Retaining straps (1) must not be damaged.
Scheme 282
Note. Place cloth (1) over locking rod to prevent the rear seat backrest from locking down.
Pry out actuating mechanism (2) by pulling forwards and upwards.
Scheme 283
Installation
Locking tabs (1) on left/right sides (for trim on actuating mechanism) must not be damaged.
Scheme 284
Locking tabs (2) at front and (3) back (for actuating mechanism) must not be damaged.
Actuating rod (4) must be correctly mounted and should not be bent.
52 26 309 Removing and installing/replacing lock for left rear seat backrest (through-loading system)
Slide lock trim on edge of backrest side upwards slightly and clip out to one side, then slide trim section on rear side slightly to center, unclip and remove.
Scheme 285
Installation
Clips of trim must not be damaged.
Scheme 286
Partially lift cover (1) off rear seat backrest.
Scheme 287
E46 only
Remove lockplate (1) and unhook actuating rod (2) for seatback release.
Scheme 288
E83 only
Lockplate (1) omitted. Unhook actuating rod (2) for seatback release.
Installation
Fit bush (3) and new lockplate (1).
Perform function check with rear seat back-rest folded forward.
Release screws and fold back backrest lock.
Scheme 289
Summary, backrest lock, left
Scheme 290
Unhooking seat belt Bowden cable from backrest lock
Press lever (1) forwards in direction of arrow.
Scheme 291
Remove sleeve for Bowden cable (2) from holder (3) in backrest lock.
Unhook Bowden cable from lever (1).
Summary, backrest lock, left
Scheme 292
52 26 388 Removing and installing/replacing rear head restraints (through-loading system), middle (Compact)
Operation is described in
- Removing and installing rear head restraints (through -loading system), left or right. Refer to «52 26 390 REMOVING AND INSTALLING/REPLACING REAR HEAD RESTRAINT (THROUGH-LOADING SYSTEM), LEFT OR RIGHT (COMPACT)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-390-removing-and-installingreplacing) .
52 26 388 Removing and installing/replacing rear middle head restraint
Fold back head restraint (1) and move upwards to max. extent.
Scheme 293
Press lock (2) and pull out head restraint.
52 26 390 Removing and installing or replacing left or right rear head restraint
Move head restraint (1) upwards to maximum extent.
Scheme 294
Press lock (2) and pull out head restraint.
52 26 390 Removing and installing/replacing rear head restraint (through-loading system), left or right (Compact)
Fold back head restraint and move upwards to max. extent.
Scheme 295
If necessary, press gently on guides towards front and rear and pull out firmly.
52 26 400 Replacing seat cover for rear seat (through-loading system)
Special tools required
- 00 9 323
Necessary preliminary tasks
- Remove rear seat, refer to «52 26 005 REMOVING AND INSTALLING/REPLACING REAR SEAT (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-005-removing-and-installingreplacing)
Scheme 296
Removing seat cover
- Remove retainers (2).
- Unhook cover from plastic hooks (4)
- Detach retaining elements from cover tabs (1 & 3).
Feed out piping.
Scheme 297
Slide cover lugs with special tool 00 9 323 through opening in seat pan.
Scheme 298
Carefully remove seat pan.
Installation
Feed cover lugs (1) through openings (2) in padding and before laying on seat pan pull through fully on rear side.
Scheme 299
Push retaining elements back onto cover lugs.
Reattach seat cover to plastic hooks.
Attach new clips with pneumatic tacker.
52 26 411 Replacing backrest cover for rear seat (through-loading system) on left
Special tools required
- 00 9 317
- 00 9 323
Necessary preliminary tasks
- Remove and install left backrest, refer to «52 26 015 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-015-removing-and-installingreplacing)
- Remove and install rear head restraints, refer to «52 26 388 REMOVING AND INSTALLING/REPLACING REAR HEAD RESTRAINTS (THROUGH-LOADING SYSTEM), MIDDLE (COMPACT)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-388-removing-and-installingreplacing) and «52 26 390 REMOVING AND INSTALLING/REPLACING REAR HEAD RESTRAINT (THROUGH-LOADING SYSTEM), LEFT OR RIGHT (COMPACT)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-390-removing-and-installingreplacing)
- Remove lock trim of left rear seat backrest, refer to «52 26 309 REMOVING AND INSTALLING/REPLACING LOCK FOR LEFT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-309-removing-and-installingreplacing)
Release screw (1) of seat outer mount.
Scheme 300
Installation
Insert screw (1) and plastic washer (2) as shown into bearing pedestal (3) and screw down.
Scheme 301
Move backrest into installation position and pull out belt slightly. Clamp belt firmly.
E46 only
Unfasten screws.
Scheme 302
Remove trim.
E83 only
Trim not screwed down.
Lever out trim with special tool 00 9 317.
Separate webbing.
Scheme 303
Installation
Feed out strap so that belt stopper (1) is located between upper guide (2) and lower guide (3) of belt finisher.
Scheme 304
Lever cover with trim wires (1) out of metal clutches (2).
Scheme 305
Detach cover all round by lifting out piping (1).
Scheme 306
Carefully pull cover towards front.
Slide all retaining tabs (1) in succession out of retaining fixture.
Scheme 307
Installation
Press tabs with special tool 00 9 323 into mounting on both sides.
Scheme 308
Grip under cover (1) and padding and gently press clips (2) together, pull out head restraint guide (3).
Scheme 309
Remove cover and padding.
Installation
Clips of head restraint guide (2) must not be damaged.
Replacement of backrest cover or padding only
Pull cover out of padding.
Installation
Feed cover lugs (1) into openings of padding (2).
Scheme 310
Make sure piping (3) is resting in opening of padding (4).
52 26 412 Replacing backrest cover for right rear seat (through-loading system)
Special tools required
- 00 9 317
- 00 9 323
Necessary preliminary tasks
- Remove and install left rear seat (through-loading). Refer to «52 26 005 REMOVING AND INSTALLING/REPLACING REAR SEAT (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-005-removing-and-installingreplacing) .
- Remove and install rear head restraints. Refer to «52 26 390 REMOVING AND INSTALLING/REPLACING REAR HEAD RESTRAINT (THROUGH-LOADING SYSTEM), LEFT OR RIGHT (COMPACT)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-390-removing-and-installingreplacing) .
- Remove backrest for rear seat (through -loading system). Refer to «52 26 015 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-015-removing-and-installingreplacing) .
- Remove actuator trim for left rear seat. Refer to «52 26 301 REMOVING AND INSTALLING /REPLACING ACTUATING MECHANISM FOR LEFT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-301-removing-and-installing) .
- Remove lock trim. Refer to «52 26 309 REMOVING AND INSTALLING/REPLACING LOCK FOR LEFT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-309-removing-and-installingreplacing) .
Release mounting for center and outer mounts.
Scheme 311
Installation
Installation sequence for mounting kit for center mount (1) and outer mount (2).
Scheme 312
Move backrest into installation position and pull out belt slightly.
Clamp belt firmly.
E46 only
Unfasten screws.
Scheme 313
Remove trim.
E83 only
Trim not screwed down.
Lever out trim with special tool 00 9 317.
Separate webbing.
Scheme 314
Installation
Feed out strap so that belt stopper (1) is located between upper guide (2) and lower guide (3) of belt finisher.
Scheme 315
Lever out cover all round.
Scheme 316
Carefully pull cover over mounts towards front.
Slide all cover lugs (1) in succession in direction of backrest center (if necessary with cleaning wedge 00 9 323).
Scheme 317
Installation
Press tabs with special tool 00 9 323 into mounting on both sides.
Scheme 318
Grip lower cover (1) and padding and gently press clips (2) together, pull out head restraint guide (3).
Scheme 319
Remove cover and padding.
Installation
Clips of head restraint guide (2) must not be damaged.
Replacement of backrest cover or padding only
Pull cover out of padding.
Installation
Feed cover lugs (1) into openings of padding (2). Make sure piping (3) is resting in opening of padding (4).
Scheme 320
52 26 450 Replacing padding for rear seat
Necessary preliminary tasks
- Replacing seat cover for rear seat, refer to «52 26 400 REPLACING SEAT COVER FOR REAR SEAT (THROUGH-LOADING SYSTEM)»(/bmw/x3/e83-2003-2006/remont/seats/#seats-repair-instructions__52-26-400-replacing-seat-cover)
See also:
• SEATS - TIGHTENING TORQUES
• 67 66 010 REMOVING AND INSTALLING/REPLACING LUMBAR SUPPORT DRIVE MECHANISM ON FRONT SEAT, LEFT OR RIGHT
• 52 13 198 REMOVING AND INSTALLING / REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/MANUAL)
• 52 15 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON FRONT LEFT OR RIGHT SEAT BACKREST (SPORTS/MANUAL)
• 52 13 400 REPLACING SEAT COVER ON LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)
• 52 13 390 REMOVING AND INSTALLING / REPLACING FRONT HEADREST (NORMAL/ MANUAL)
• 52 13 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/MANUAL)
• 52 13 040 REMOVING AND INSTALLING / REPLACING OUTER COVER ON LEFT OR RIGHT FRONT SEAT BACK-REST (NORMAL / MANUAL)
• 52 13 ... REMOVING AND INSTALLING/REPLACING GUIDE FOR FRONT LEFT OR RIGHT HEAD RESTRAINT
• 52 13 030 REMOVING AND INSTALLING / REPLACING BACKREST FRAME ON LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL)
• 52 13 405 REPLACING BACK-REST COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL / MANUAL)
• 52 13 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT
• 52 13 015 REMOVING AND INSTALLING / REPLACING CONTROLS ON LEFT / RIGHT FRONT SEAT (NORMAL / MANUAL)
• 52 13 041 REMOVING AND INSTALLING / REPLACING INNER COVER ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ MANUAL)
• 52 16 040 REMOVING AND INSTALLING/REPLACING OUTER COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)
• 52 14 000 REMOVING AND INSTALLING LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)
• 52 16 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (SPORTS/ELECTRIC)
• 52 16 405 REPLACING BACKREST COVER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)
• 52 14 050 REPLACING LUMBAR CUSHION ON FRONT LEFT OR RIGHT SEAT (NORMAL/ELECTRIC)
• 52 14 400 REPLACING SEAT COVER FOR LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)
• 52 14 025 REMOVING AND INSTALLING/REPLACING SEAT MECHANISM ON LEFT OR RIGHT FRONT SEAT (NORMAL/ELECTRIC)
• 52 16 095 REMOVING AND INSTALLING/REPLACING THIGH SUPPORT HOLDER ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)
• 52 14 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST (NORMAL/ELECTRIC)
• 52 14 899 ADDITIONAL WORK (NORMAL/ ELECTRIC) WITH DEFECTIVE DRIVE FOR LONGITUDINAL ADJUSTMENT
• 52 16... REMOVING AND INSTALLING/REPLACING SEAT PAN AND FLEX MAT ON FRONT LEFT OR RIGHT SEAT (SPORTS/ELECTRIC)
• 52 15 030 REMOVING AND INSTALLING/REPLACING BACKREST FRAME ON LEFT OR RIGHT FRONT SEAT (SPORT/MANUAL)
• 52 26 030 REMOVING AND INSTALLING/REPLACING ARMREST FOR REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)
• 52 26 008 REMOVING AND INSTALLING/REPLACING LEFT/RIGHT SIDES OF BACKREST ON REAR SEAT BACKREST (THROUGH-LOADING)
• 52 26 412 REPLACING BACKREST COVER FOR RIGHT REAR SEAT (THROUGH-LOADING SYSTEM)
• 52 26 411 REPLACING BACKREST COVER FOR REAR SEAT (THROUGH-LOADING SYSTEM) ON LEFT
• 52 26 ... REMOVING AND INSTALLING/REPLACING FIXTURE FOR ROLLER BLIND ON REAR SEAT (THROUGH-LOADING SYSTEM) ON LEFT/RIGHT
• 52 26 309 REMOVING AND INSTALLING/REPLACING LOCK FOR LEFT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)
• 52 26 080 REMOVING AND INSTALLING/REPLACING BACKREST FRAME FOR LEFT REAR SEAT (THROUGH-LOADING SYSTEM)
• 52 26 085 REMOVING AND INSTALLING/REPLACING BACKREST FRAME FOR RIGHT REAR SEAT (THROUGH-LOADING SYSTEM)
• 52 26 390 REMOVING AND INSTALLING/REPLACING REAR HEAD RESTRAINT (THROUGH-LOADING SYSTEM), LEFT OR RIGHT (COMPACT)
• 52 26 005 REMOVING AND INSTALLING/REPLACING REAR SEAT (THROUGH-LOADING SYSTEM)
• 52 26 015 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)
• 52 26 388 REMOVING AND INSTALLING/REPLACING REAR HEAD RESTRAINTS (THROUGH-LOADING SYSTEM), MIDDLE (COMPACT)
• 52 26 301 REMOVING AND INSTALLING /REPLACING ACTUATING MECHANISM FOR LEFT REAR SEAT BACKREST (THROUGH-LOADING SYSTEM)
• 52 26 400 REPLACING SEAT COVER FOR REAR SEAT (THROUGH-LOADING SYSTEM)