Front Axle - Repair - e92/e93 BMW M3 E90

00 Danger of poisoning if oil is ingested/absorbed through the skin

Danger of poisoning!

Ingesting oil or absorbing through the skin may cause poisoning!

Possible symptoms are

1. Headaches
2. Dizziness
3. Stomach aches
4. Vomiting
5. Diarrhoea
6. Cramps/fits
7. Unconsciousness

Protective measures/rules of conduct

1. Pour oil only into appropriately marked containers
2. Do not pour oil into drinking vessels (drinks bottles, glasses, cups or mugs)
3. Observe country-specific safety regulations

First aid measures

1. Do not induce vomiting. If the person affected is still conscious, he/she must rinse out their mouth with water, drink plenty of water and consult a doctor immediately. If the person affected is unconscious, do not administer anything by mouth, place the person in the recovery position and seek immediate medical attention.

00 Risk of injury if oil comes into contact with eyes and skin

Danger of injury!

Contact with eyes or skin may result in injury!

Possible symptoms are

1. Impaired sight
2. Irritation of the eyes
3. Reddening of the skin
4. Rough and cracked skin

Protective measures/rules of conduct

1. Wear protective goggles
2. Wear oil-resistant protective gloves
3. Observe country-specific safety regulations

First aid measures

1. Eye contact: Rinse eyes immediately with plenty of water for at least 15 minutes; if available, use an eye-rinsing bottle. If irritation of the eyes persists, consult a doctor.
2. Skin contact: Wash off with soap and water immediately. If irritation persists, consult a doctor.

Note. Do not use solvents/thinners.

00 Safety instructions for handling oil

Recycling

Observe country-specific waste-disposal regulations.

Measures if oil is unintentionally released

1. Personal precautionary measures: Danger of slipping! Keep non-involved persons away from the work area. Wear personal protective clothing/equipment.
2. Environmental protection measures: Prevent oil from draining into drain channels, sewerage systems, pits, cellars, water and the ground.
3. Limiting spread: Use oil blocks to prevent the surface spread of oil.
4. Cleaning procedure: Bind and dispose of escaped oil with nonflammable absorbents.

Note. Do not flush oil away with water or aqueous cleaning agents.

00 ... ... Raising vehicle with trolley jack

1. Use only BMW-distributed/approved trolley jacks which have rubber plate contact points.
2. Trolley jacks must be regularly serviced and always checked for functional reliability before they are used!
3. Check the rubber plate on the trolley jack prior to each use, replacing if necessary.

Scheme 1

1. Car jacking point on reinforcement strut (rear-wheel drive)
2. Side car jacking points
3. Rear differential Risk of damage: It is not permitted to raise the vehicle at the rear differential cover!

Scheme 2

1. Car jacking point on front axle carrier (all-wheel drive)

Scheme 3

Scheme 4

Safety precautions and general information

Scheme 5

Scheme 6

A wheel/chassis alignment check must be carried out after the following work

1. Release of following screw/bolt connections: Steering gear to front axle carrier Control arm to front axle carrier Support bearing to body (if centering pin is missing) Tie rod end to tie rod
2. Replacement of following parts: Front axle carrier Steering gear Gaiter (if the tie rod end has to be screwed off) Control arm Support bearing (if centering pin is missing) Swivel bearing Tie rod end Tie rod

31 00 ... Information on replacing shock absorbers

Facts

When a shock absorber is faulty on one side (leaking, noises, limit values exceeded on the shock tester), often both shock absorbers on the axle in question are replaced.

Consequence

This is not necessary for technical reasons and causes the manufacturer not to recognize the unnecessarily removed shock absorbers as damaged parts. Unnecessarily high costs for the customer can be avoided by replacing the shock absorber on one side only.

Procedure

If one shock absorber is damaged, it is only necessary to replace both shock absorbers when the car has driven in excess of 50,000 km.

Exception: On all M-GmbH models, when a limit value is exceeded on one side, it is still necessary always to replace both shock absorbers on the relevant axle.

Information on replacing shock absorbers on E65/E66 models with EDC before production 03/07

Component version (build date) before 03/07

1. Both shock absorbers must be replaced.

Component version (build date) after 03/07

1. The shock absorbers can be replaced again individually.

If in doubt, always replace both shock absorbers.

31 00 ... Instructions (chassis components made of aluminum)

Due to the chemical and corrosion characteristics of aluminum, always comply with the following points when handling aluminum components

1. Do not bring into contact with battery acid!
2. Do not clean with wire brushes made of brass or iron! Always use wire brushes with stainless steel bristles!
3. Do not expose to flying sparks when grinding/separating! Cover components!
4. Do not strike with steel welding splashes! Cover components!
5. Do not expose to temperatures > 80°C, even for brief periods! Temperatures in paint facilities do not have the same impact

31 00 ... Notes on repairing threads

Note. Damaged threads in engine carrier may be repaired with Helicoil thread inserts. Comply with the procedure described in the example.

Scheme 7

Procedure

Scheme 8

Scheme 9

Scheme 10

Scheme 11

1. Create a clean core hole; if necessary, drill out screw remnants
2. Create locating thread for Helicoil thread insert
3. Pick out Helicoil thread insert in accordance with the table and screw into the locating thread until flush with the original thread
4. Break drive pin and remove

31 10 000 Removing and installing complete front axle (with spring struts) (M3)

Recycling

Catch and dispose of hydraulic fluid in a suitable container.

Observe country-specific waste-disposal regulations

Necessary preliminary tasks

1. Secure engine in installation position . See «11 00 670 SECURING ENGINE IN INSTALLATION POSITION (S65)»(/bmw/m3/e90-2007-2013/remont/mechanical/#engine-repair-e9293__11-00-670-securing-engine-in) .
2. Draw off and dispose off hydraulic fluid from fluid reservoir
3. Clamp off battery negative lead . See «61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e9293__61-20-900-disconnecting-and-connecting) .
4. Disengage both brake hoses from spring strut holder, remove both brake calipers from swivel bearing and tie up. See «34 11 519 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT FRONT BRAKE CALIPER»(/bmw/m3/e90-2007-2013/remont/mechanical-hydraulic/#brakes-repair-e92e93__34-11-519-removing-and-installingreplacing) .
5. Disconnect both plug connections for pulse generators and expose lines up to holder on spring strut
6. Disconnect both plug connections for brake pad sensor and expose lines up to holder on spring strut
7. Remove «reinforcement plate»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-10-010-removing-and-installingreplacing)
8. Remove reinforcement cover on left and right. See «51 71 ... REMOVING AND INSTALLING/REPLACING LEFT/RIGHT REINFORCEMENT COVER»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-71-removing-and-installingreplacing) .
9. Remove both «stabilizer links from spring strut»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-35-005-removing-and-installingreplacing)
10. Disconnect pressure line from power steering gear . See «32 13 060 REMOVING AND INSTALLING (REPLACING) POWER STEERING GEAR (M3)»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-13-060-removing-and-installing) .
11. Disconnect return line from power steering gear . See «32 13 060 REMOVING AND INSTALLING (REPLACING) POWER STEERING GEAR (M3)»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-13-060-removing-and-installing) .
12. Remove lower section of steering spindle from steering gear . See «32 31 070 REMOVING AND INSTALLING / REPLACING LOWER SECTION OF STEERING SPINDLE»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-31-070-removing-and-installing) .

Release nut (1) for return line (2).

Installation

Replace self-locking nut.

Tightening torque, see 32 41 PUMP AND OIL SUPPLY .

Scheme 12

Unscrew nut (1) and bolts (2).

Disconnect pressure line (3) from front axle carrier holder.

Installation

Replace self-locking nut.

Tightening torque, see 32 41 PUMP AND OIL SUPPLY .

Scheme 13

Release screws (1).

Fold both holders (2) downwards.

Tie up hydraulic lines.

Installation

Tightening torque, see 32 41 PUMP AND OIL SUPPLY .

Scheme 14

Remove both spring struts from spring strut dome .

Lower front axle support .

After installation

1. Fill and bleed hydraulic system . See «32 13 006 BLEEDING POWER STEERING UNIT»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-13-006-bleeding-power-steering) .
2. Check pipe connections for leaks
3. Carry out wheel alignment check if a spring strut with support bearing was or has been installed without centering pin. See «32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-150-kds-chassiswheel-alignment) or «32 00 155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE-HEIGHT MEASUREMENT WITHOUT LOAD»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-155-kds-chassiswheel-alignment) .
4. Carry out steering angle sensor adjustment . See «61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e9293__61-31-996-carrying-out-steering) .

31 10 010 Removing and installing/replacing reinforcement plate (M3)

Necessary preliminary tasks

1. Remove front underbody protection . See «51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-47-490-removing-and-installing) .

Release screws (1).

Release screws (2) and remove reinforcement plate (3).

Installation

Replace screws (2).

Tightening torque, see 31 10 FRONT AXLE SUSPENSION .

Scheme 15

31 11 001 Replacing front axle carrier (M3)

Necessary preliminary tasks

1. Secure engine in installation position
2. Disconnect negative battery cable . See «61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e9293__61-20-900-disconnecting-and-connecting) .
3. Remove both front wheels . See «WHEEL AND TIRES - REPAIR»(/bmw/m3/e90-2007-2013/remont/wheel-tire-system/#wheel-and-tires-repair-e92e93) .
4. Remove «front stabilizer bar»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-35-000-removing-and-installingreplacing)
5. Remove reinforcement cover on left and right . See «51 71 ... REMOVING AND INSTALLING/REPLACING LEFT/RIGHT REINFORCEMENT COVER»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-71-removing-and-installingreplacing) .
6. Remove lower section of steering spindle from steering gear . See «32 31 070 REMOVING AND INSTALLING / REPLACING LOWER SECTION OF STEERING SPINDLE»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-31-070-removing-and-installing) .
7. If necessary, disconnect plug connection from ride-height sensor
8. Remove both «tension struts from front axle carrier»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-12-080-removing-and-installingreplacing) .
9. Remove both «control arms from front axle carrier»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-12-000-removing-and-installingreplacing) .
10. Remove both tie rods on power steering gear . See «32 21 231 REPLACING (REMOVING AND INSTALLING) LEFT OR RIGHT TIE ROD»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-21-231-replacing-removing-and) .
11. Disconnect plug connection on Servotronic electrohydraulic converter, remove power steering gear from front axle carrier and tie up. See «32 13 060 REMOVING AND INSTALLING (REPLACING) POWER STEERING GEAR (M3)»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-13-060-removing-and-installing) .
12. Lower «front axle carrier»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-11-506-loweringraising-front-axle) .

Unscrew nut (1) and bolts (2).

Disconnect pressure line (3) from front axle carrier holder.

Installation

Replace self-locking nut.

Tightening torque 32 41 11AZ . See 32 41 PUMP AND OIL SUPPLY .

Release screws (1).

Fold holders (2) downwards and tie up.

Installation

Tightening torque 32 41 11AZ . See 32 41 PUMP AND OIL SUPPLY .

Remove connecting lead (1) for Servotronic electrohydraulic converter.

Remove both engine mounts (2). See ENGINE AND GEARBOX SUSPENSION .

Installation

Use previous front axle carrier as a template for modifying or replacing small parts.

Scheme 16

After installation

1. Perform chassis alignment check . See «32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-150-kds-chassiswheel-alignment) .
2. Carry out steering angle sensor adjustment . See «61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e9293__61-31-996-carrying-out-steering) .

31 11 506 Lowering/raising front axle carrier (M3, universal lifter)

Special tools required

1. 00 2 030
2. 31 5 251
3. 31 5 253
4. 31 5 256

FRONT AXLE - SPECIAL TOOLS

Necessary preliminary tasks

1. Secure engine in installation position with special tool .
2. Remove «reinforcement plate»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-10-010-removing-and-installingreplacing) .
3. Remove rear underbody protection . See «51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-47-491-removing-and-installingreplacing) .
4. Remove reinforcement cover on left and right . See «51 71 ... REMOVING AND INSTALLING/REPLACING LEFT/RIGHT REINFORCEMENT COVER»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-71-removing-and-installingreplacing) .
5. Remove lower section of steering spindle from steering gear .

Disconnect plug connection (1) on ride-height sensor.

Disconnect plug connection (2) for Servotronic electrohydraulic converter.

Scheme 17

Engage special tool 31 5 251 with a 2nd person helping completely on workshop jack 00 2 030 .

Insert special tools 31 5 253 in telescopic supports of a profile rail pair.

Note. In a profile rail pair two profile rails are connected to each by toothing.

Insert special tools 31 5 256 in telescopic supports of other profile rail pair.

Scheme 18

Note. The jacking points on the left side are shown.

Align special tools 31 5 253 and 31 5 256 to front axle carrier.

Support front axle carrier by operating workshop jack 00 2 030 .

Scheme 19

Release bolts (1-4).

Lower front axle carrier by max. 10 cm.

Installation

Check threads for damage; if necessary, repair with Helicoil thread inserts .

Make sure screws are installed in correct positions.

1. Screw (1) M12x90
2. Screw (2) M12x145
3. Screw (3) M12x53
4. Screw (4) M10x42

Scheme 20

Tighten down first screws (1) and then screws (2, 3, 4).

Tightening torque, see 31 10 FRONT AXLE SUSPENSION .

After installation

1. Carry out steering angle sensor adjustment . See «61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e9293__61-31-996-carrying-out-steering) .

31 11 506 Lowering/raising front axle carrier (special tool SWZ00-2040)

Special tools required

1. 00 2 030
2. 00 2 040
3. 31 4 051
4. 31 4 100
5. 31 4 170

FRONT AXLE - SPECIAL TOOLS

Necessary preliminary tasks

1. Secure engine in installation position with special tool . See «11 00 670 SECURING ENGINE IN INSTALLATION POSITION (S65)»(/bmw/m3/e90-2007-2013/remont/mechanical/#engine-repair-e9293__11-00-670-securing-engine-in) .
2. Remove front wheels . See «WHEEL AND TIRES - REPAIR»(/bmw/m3/e90-2007-2013/remont/wheel-tire-system/#wheel-and-tires-repair-e92e93) .

Scheme 21

Remove underbody protection at front and rear .

Remove steering gear cover at top left and right .

Remove reinforcement plate .

Partially detach front left and right wheel arch covers (rear section) in rear area.

Remove lower control arm from spring strut holder .

Version with active steering

Disconnect plug connection (1) and unclip line (2) from front axle carrier.

Scheme 22

Release nuts and remove screws (1) towards bottom.

Tie up power steering gear (2).

Installation

Replace screws and nuts.

Tightening torque, see 32 00 1AZ in 32 00 STEERING .

Scheme 23

If necessary, position special tool 00 2 040 with a 2nd person helping on workshop jack 00 2 030 .

Insert special tools 31 4 051 and 31 4 100 into corresponding mountings of special tool 00 2 040 .

Lower special tool 33 3 274.

Scheme 24

Note. The jacking points on the left side are shown.

Align special tools 31 4 051 and 31 4 100 to front axle carrier.

Support front axle carrier by operating workshop jack 00 2 030 .

Scheme 25

Release screws (1, 2).

Installation

Check threads for damage; if necessary, repair with Helicoil thread inserts .

Tighten down first screws (1) and then screws (2).

Tightening torque, see 31 10 FRONT AXLE SUSPENSION .

Scheme 26

Lower front axle carrier by max. 10 cm.

After installation

1. Perform chassis alignment check . See «32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-150-kds-chassiswheel-alignment) .
2. Carry out steering angle sensor adjustment/adjustment for active front steering . See «61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e9293__61-31-996-carrying-out-steering) .

31 12 000 Removing and installing/replacing left or right control arm

Note. If the control arm is detached from the front axle carrier, it is necessary after reinstallation to carry out a wheel/chassis alignment check.

Necessary preliminary tasks

Except M3

1. Remove front wheel . See «WHEEL AND TIRES - REPAIR»(/bmw/m3/e90-2007-2013/remont/wheel-tire-system/#wheel-and-tires-repair-e92e93) .
2. Remove front underbody protection . See «51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-47-490-removing-and-installing) .

Except M3

If necessary, remove jointed rod of ride-height sensor from control arm.

Scheme 27

M3 only

Slacken nut (1).

Remove jointed rod (2) from control arm.

Installation

Sensor lever (3) must point from ride-height sensor to left front wheel.

Tightening torque 8 Nm .

Scheme 28

Release nut (1); if necessary, grip at Torx socket (T40).

Installation

Keep control arm to swivel bearing connection clean and free from oil and grease.

Replace self-locking nut.

Tightening torque 31 12 4AZ , see 31 12 CONTROL ARMS AND STRUTS

Scheme 29

Slacken nut (1).

Remove screw towards front; if necessary remove bracket (2) with ride-height sensor.

Take off control arm.

Installation

Screw head must point in direction of travel.

Replace self-locking nut.

Tighten down bolt connection in normal position . See 32 00 ... MOVING VEHICLE INTO NORMAL POSITION .

Tightening torque 31 12 3AZ , see 31 12 CONTROL ARMS AND STRUTS .

Scheme 30

After installation

1. Perform chassis alignment check . See «32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-150-kds-chassiswheel-alignment) .
2. Carry out steering angle sensor adjustment/adjustment for active front steering . See «61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e9293__61-31-996-carrying-out-steering) .

31 12 003 Removing and installing / replacing top right wishbone

Note. Control arms with + or - marking (see illustration) are camber correction arms: - Underdimension variant + Overdimension variant These camber correction arms are used to correct the camber values by 30 minutes. To be used only if the tolerance values are exceeded or undershot! An unmarked control arm is a standard part.

Scheme 31

Necessary preliminary tasks: Remove control unit box

Important! The spring strut/lower wishbone screw connection does not have to be released!

Further procedure is identical to: Removing and installing/replacing top left control arm .

31 12 024 Replace wheel control joint in wishbone (all-wheel drive vehicle)

Necessary preliminary tasks: Remove front wheel

Release screws. If necessary, push wheel control joint off swivel bearing using a suitable tool.

Installation note: Recondition thread in swivel bearing. Keep recess for wheel control joint, bushing in trailing link and wheel control joint journal clean and free from grease. Replace microencapsulated screws.

Tightening torque, see 31 12 21AZ in 31 12 CONTROL ARMS AND STRUTS .

31 12 080 Removing and installing/replacing both tension struts

Necessary preliminary tasks

1. Except M3: Remove both front wheels See «WHEEL AND TIRES - REPAIR»(/bmw/m3/e90-2007-2013/remont/wheel-tire-system/#wheel-and-tires-repair-e92e93) .
2. Remove front underbody protection . See «51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-47-490-removing-and-installing) .

Release nut (1); if necessary, grip at Torx socket (T40).

Installation

Keep tension strut to swivel bearing connection clean and free from oil and grease.

Replace self-locking nut.

Tightening torque 31 12 2AZ , see 31 12 CONTROL ARMS AND STRUTS .

Scheme 32

Release bolt (1) and remove tension strut.

Raise locking nut (2) in area of bore and detach from front axle carrier.

Installation

Replace locking nut.

Tighten bolt connection in normal position . See 32 00 ... MOVING VEHICLE INTO NORMAL POSITION .

Tightening torque 31 12 1AZ , see 31 12 CONTROL ARMS AND STRUTS .

Scheme 33

31 12 138 Replacing rubber mounts on both tension struts

Special tools required

1. 31 5 271
2. 31 5 272
3. 31 5 273
4. 33 4 450

REAR AXLE - SPECIAL TOOLS

Scheme 34

Necessary preliminary tasks

1. Check ball joints of tension struts while installed for damage, replace «tension struts»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-12-080-removing-and-installingreplacing) if necessary.
2. Remove both «tension struts»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-12-080-removing-and-installingreplacing) .

Note. Special tool 31 5 271 serves to remove and install the rubber mount.

AUS Removal

EIN Installation

Scheme 35

Press rubber mount with special tools 31 5 271 and 31 5 272 out of tension strut.

Scheme 36

Mount take-up 31 5 273 on special tool 33 4 450 .

Install rubber mount (1) in special tool and pull together.

Scheme 37

Note. Keep rubber mount and bushing in tension strut clean and free from grease.

Scheme 38

Draw in rubber mount (1) with special tools 31 5 271 and 31 5 272 until special tool 31 5 273 rests on tension strut.

Remove special tools 33 4 450 and 31 5 273 .

Install rubber mount (1) as far as it will go.

Scheme 39

Installation

Protrusion (A) equally large.

Scheme 40

31 21 090 Replacing (removing and installing) left or right swivel bearing (M3)

Special tools required

1. 31 2 230
2. 31 5 230

FRONT AXLE - SPECIAL TOOLS

Necessary preliminary tasks

1. Remove front brake disc . See «34 11 220 REMOVING AND INSTALLING OR REPLACING BOTH FRONT BRAKE DISCS»(/bmw/m3/e90-2007-2013/remont/mechanical-hydraulic/#brakes-repair-e92e93__34-11-220-removing-and-installing) .

Slacken nut (1).

Remove jointed rod (2) from control arm.

Installation

Sensor lever (3) must point from ride-height sensor to left front wheel.

Tightening torque 8 Nm .

Remove control arm from swivel bearing .

Remove tie rod end from swivel bearing . See 32 21 151 REPLACING LEFT OR RIGHT TIE ROD .

Remove tension strut from swivel bearing .

Support swivel bearing with workshop jack and a suitable mounting.

Release nut (1), remove holder (3) and remove screw (2).

Installation

Screw head must point in direction of travel.

Remove special tool 31 5 230 .

Replace self-locking nut.

Tightening torque, see 31 31 3AZ in 31 31 SPRING STRUTS .

Scheme 41

Release screw (1).

Remove pulse generator (2) from swivel bearing.

Installation

Clean bore hole for pulse generator and grease with Staburags NBU 12/K lubricating grease.

Tightening torque 34 51 4AZ , see 34 51 SLIP CONTROL SYSTEM (DSC) .

Scheme 42

Spread swivel bearing with special tool 31 2 230 .

Lower workshop jack and remove swivel bearing.

Installation

Keep press fit of swivel gearing and spring strut in lower area clean and free from oil and grease.

Scheme 43

Installation

Spread swivel bearing with special tool 31 2 230 , align by means of gap to web (1) on back of spring strut and push upwards.

Pull swivel bearing with special tool 31 5 230 up to stop (tightening torque = 20 Nm).

Remove special tool 31 2 230 .

Scheme 44

Replacement

1. Modify «wheel bearing»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-21-090-replacing-removing-and) .
2. Modify brake carrier/brake guard plate . See «34 11 250 REMOVING AND INSTALLING / REPLACING A BRAKE CARRIER / BRAKE GUARD PLATE AT FRONT»(/bmw/m3/e90-2007-2013/remont/mechanical-hydraulic/#brakes-repair-e92e93__34-11-250-removing-and-installing) .

After installation

1. Replacement: Perform chassis alignment check . See «32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-150-kds-chassiswheel-alignment) .

31 21 180 Removing and installing/replacing bearing for front wheel

Necessary preliminary tasks

1. Remove brake disk . See «34 11 220 REMOVING AND INSTALLING OR REPLACING BOTH FRONT BRAKE DISCS»(/bmw/m3/e90-2007-2013/remont/mechanical-hydraulic/#brakes-repair-e92e93__34-11-220-removing-and-installing) .

Release screws (1).

Press wheel bearing (2) off swivel bearing with a suitable tool.

Installation

Replace microencapsulated screws.

Tightening torque 31 21 1AZ , see 31 21 WHEEL BEARINGS AND STEERING KNUCKLE .

Scheme 45

Installation

When reusing, recut all the threads in the wheel bearing.

Keep contact surface (1) of swivel bearing and wheel bearing clean and free from oil and grease.

Scheme 46

Scheme 47

Facts

When a shock absorber is faulty on one side (leaking, noises, limit values exceeded on the shock tester), often both shock absorbers on the axle in question are replaced.

Consequence

This is not necessary for technical reasons and causes the manufacturer not to recognize the unnecessarily removed shock absorbers as damaged parts. Unnecessarily high costs for the customer can be avoided by replacing the shock absorber on one side only.

Procedure

If one shock absorber is damaged, it is only necessary to replace both shock absorbers when the car has driven in excess of 50,000 km.

Exception: On all M-GmbH models, when a limit value is exceeded on one side, it is still necessary always to replace both shock absorbers on the relevant axle.

Information on replacing shock absorbers on E65/E66 models with EDC before production 03/07

Component version (build date) before 03/07

1. Both shock absorbers must be replaced.

Component version (build date) after 03/07

1. The shock absorbers can be replaced again individually.

If in doubt, always replace both shock absorbers.

31 31 003 Removing and installing complete front left or right spring strut (M3)

Note. If a spring strut with support bearing is released on the body without the centering pin, a chassis/wheel alignment check must be carried out after installation.

Necessary preliminary tasks

1. Remove «swivel bearing»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-21-090-replacing-removing-and)

Unclip protective cap (1) and disconnect plug connection underneath.

Unscrew nuts (2).

Installation

Make sure protective cap is correctly seated.

Tightening torque 31 31 1AZ , see 31 31 SPRING STRUTS

Scheme 48

Installation

Replace self-locking nuts.

Scheme 49

Remove spring strut towards bottom.

Installation

Clean contact surface in spring strut dome.

Align spring strut by means of centering pin to bore in wheel arch and slide upwards.

Scheme 50

After installation

1. Carry out wheel alignment check if a spring strut with support bearing was or has been installed without centering pin. See «32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-150-kds-chassiswheel-alignment) or «32 00 155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE-HEIGHT MEASUREMENT WITHOUT LOAD»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-155-kds-chassiswheel-alignment) .

31 31 041 Replacing front left or right spring strut (M3)

Special tools required

1. 31 3 340
2. 31 3 341
3. 31 3 351

FRONT AXLE - SPECIAL TOOLS

Necessary preliminary tasks

1. Remove «front spring strut»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-31-003-removing-and-installing)

Removing

Clamp special tool 31 3 341 in vice.

Fit special tools 31 3 351 from above on special tool 31 3 341 until locking pins (1) can be felt and heard to snap into place.

Check seating of special tools 31 3 351 , correct if necessary.

Scheme 51

Clean coil spring to remove all coarse dirt and mount on special tools 31 3 351 .

Turn spring strut until lower end of coil spring (1) points upwards.

Scheme 52

Compress coil spring until stress on piston rod is relieved.

Scheme 53

Release nut (1) (grip piston rod in so doing) and remove support bearing (2).

Scheme 54

Scheme 55

Pull off thrust washer (1) and auxiliary damper (2) with gaiter (3) from piston rod of shock absorber (4).

Remove shock absorber (4) sideways from coil spring.

Scheme 56

Relieve tension on coil spring and remove from special tools 31 3 351 .

Scheme 57

Assembly

Scheme 58

Accommodate coil spring with special tools 31 3 351 .

Turn coil spring until lower end of coil spring (1) points upwards.

Scheme 59

Tension coil spring.

Replace spring pad (1).

Scheme 60

Check auxiliary damper and gaiter for damage, replace if necessary.

Scheme 61

Insert shock absorber (4) in tensioned coil spring.

Slide auxiliary damper (2) with gaiter (3) onto piston rod.

Attach thrust washer (1) to piston rod.

Replace spring pad (1).

Scheme 62

Check support bearing (1) for damage, replace if necessary.

Attach support bearing (1) to piston rod.

Coat mounts (2) with Circo Light (sourcing reference: BMW Parts Service).

Scheme 63

Note. Joint plate (1) is correctly seated in support bearing mounts after tension is relieved on coil spring.

Attach joint plate (1) to piston rod.

Replace nut (2) and tighten down (gripping piston rod in so doing).

Tightening torque 31 31 2AZ , see 31 31 SPRING STRUTS

Scheme 64

Relieve tension on coil spring.

Check installation position of gaiter (3), correct fold if necessary.

Scheme 65

After installation

1. Carry out wheel alignment check if a spring strut with support bearing was or has been installed without centering pin. See «32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-150-kds-chassiswheel-alignment) or «32 00 155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE-HEIGHT MEASUREMENT WITHOUT LOAD»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-155-kds-chassiswheel-alignment) .

31 33 001 (Removing and installing) replacing front left or right spring strut support bearing (M model)

Note. Procedure is described in Replacing front left or right spring strut .

Replacement

If necessary, twist out centering pin (1).

Note. If a support bearing (2) was fitted without centering pin (1), the centering pin (1) of the new support bearing (2) must be twisted out.

Scheme 66

31 33 095 Measuring ride-level height of vehicle

Necessary preliminary tasks

1. Move vehicle into normal position . See «32 00 ... MOVING VEHICLE INTO NORMAL POSITION»(/bmw/m3/e90-2007-2013/remont/manual-power-steering/#steering-and-wheel-alignment-repair-e92e93__32-00-moving-vehicle-into) .

Determine actual ride height (A) - to do so, attach tape measure to rim flange (2) at bottom middle and measure to lower edge of wheel arch (1).

Scheme 67

31 33 100 Removing and installing/replacing coil spring for front left or right spring strut (M model)

Note. The coil spring is allocated in the Electronic Parts Catalogue (ETK) under the menu item "Spring table" after the vehicle identification number has been entered and the relevant optional extra of the car has been selected.

Note. Procedure is described in Replacing front left or right spring strut .

31 35 000 Removing and installing/replacing front stabilizer

Necessary preliminary tasks

1. Remove front underbody protection . See «51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e9293-m3__51-47-490-removing-and-installing) .
2. Remove «stabilizer link on both sides from stabilizer»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-35-005-removing-and-installingreplacing)

M3

Remove reinforcement plate .

Release nut (1) for return line (2).

Installation

Replace self-locking nut.

Tightening torque 32 41 11AZ . See 32 41 PUMP AND OIL SUPPLY .

Except M3: Release screws (1) and remove brackets.

Release nuts (2); if necessary, grip screws after repair.

Remove stabilizer (3); if necessary, press off front axle carrier with a suitable tool.

Installation

Check both rubber mounts for damage , replace if necessary.

Replace self-locking nuts (do not tighten down).

Set car on its wheels and tighten down nuts to tightening torque. See 31 35 1AZ in 31 35 STABILIZER BAR .

Scheme 68

Repair solution for studs

Release screw (1).

Raise locking nut (2) in area of bore and detach from front axle carrier.

Drive out studs (3) in upwards direction and remove/feed out through an opening in front axle carrier.

Installation

Insert new screws from above.

Replace locking nut.

Tightening torque 31 12 1AZ , see 31 12 CONTROL ARMS AND STRUTS .

Scheme 69

Replacement

1. Remove both «rubber mounts from stabilizer»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-35-021-replacing-both-rubber)

31 35 005 Removing and installing/replacing push rod (stabilizer link) for left/right stabilizer

Note (M3 only)

Make sure stabilizer link is installed in correct position.

1. Connection, stabilizer link to spring strut
2. Connection, stabilizer link to stabilizer

Scheme 70

Release nut (1) and remove bracket for brake hose.

Release nut (3) and remove stabilizer link (2).

Installation

Replace self-locking nuts.

Tightening torque 31 35 2AZ , see 31 35 STABILIZER BAR .

Scheme 71

31 35 021 Replacing both rubber mounts of stabilizer mounting on front axle carrier (M3)

Note. Rubber mounts (consisting of upper and lower sections) must be replaced in pairs.

Necessary preliminary tasks

1. Remove «stabilizer from front axle carrier»(/bmw/m3/e90-2007-2013/remont/axle-shafts/#front-axle-repair-e92e93__31-35-000-removing-and-installingreplacing)

Note. Insert a screwdriver on both sides between retaining bracket (1) and rubber mount lower section (3). Snap out retaining bracket (1). Remove rubber mount lower section (3) and rubber mount upper section (2).

Installation

Make sure rubber mount halves contact stabilizer stop correctly.

Scheme 72

Installation

Keep retaining bracket (1), rubber mount upper section (2), rubber mount lower section (3) and stabilizer clean and free from oil and grease.

Insert rubber mount upper section (2) in retaining bracket (1). Guide (4) must be correctly seated in opening (5) in the process.

Catches on rubber mount lower section (3) must not be damaged and must be located in the designated recesses in the retaining bracket (1).

Scheme 73

31 90 ... Front axle troubleshooting

TROUBLESHOOTING CHART

31 90 ... Troubleshooting shock absorber

TROUBLESHOOTING CHART

See also:
• 11 00 670 SECURING ENGINE IN INSTALLATION POSITION (S65)
• 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD
• 34 11 519 REMOVING AND INSTALLING/REPLACING LEFT OR RIGHT FRONT BRAKE CALIPER
• 51 71 ... REMOVING AND INSTALLING/REPLACING LEFT/RIGHT REINFORCEMENT COVER
• 32 13 060 REMOVING AND INSTALLING (REPLACING) POWER STEERING GEAR (M3)
• 32 31 070 REMOVING AND INSTALLING / REPLACING LOWER SECTION OF STEERING SPINDLE
• 32 41 PUMP AND OIL SUPPLY
• 32 13 006 BLEEDING POWER STEERING UNIT
• 32 00 150 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH LOAD UP TO DESIGN POSITION
• 32 00 155 KDS CHASSIS/WHEEL ALIGNMENT CHECK WITH RIDE-HEIGHT MEASUREMENT WITHOUT LOAD
• 61 31 996 CARRYING OUT STEERING ANGLE SENSOR ADJUSTMENT
• 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION
• 31 10 FRONT AXLE SUSPENSION
• WHEEL AND TIRES - REPAIR
• 32 21 231 REPLACING (REMOVING AND INSTALLING) LEFT OR RIGHT TIE ROD
• ENGINE AND GEARBOX SUSPENSION
• MAINTENANCE AND GENERAL INFORMATION - SPECIAL TOOLS
• FRONT AXLE - SPECIAL TOOLS
• 51 47 491 REMOVING AND INSTALLING/REPLACING REAR UNDERBODY PROTECTION
• 32 00 STEERING
• 31 12 CONTROL ARMS AND STRUTS
• 32 00 ... MOVING VEHICLE INTO NORMAL POSITION
• REAR AXLE - SPECIAL TOOLS
• 34 11 220 REMOVING AND INSTALLING OR REPLACING BOTH FRONT BRAKE DISCS
• 32 21 151 REPLACING LEFT OR RIGHT TIE ROD
• 31 31 SPRING STRUTS
• 34 51 SLIP CONTROL SYSTEM (DSC)
• 34 11 250 REMOVING AND INSTALLING / REPLACING A BRAKE CARRIER / BRAKE GUARD PLATE AT FRONT
• 31 21 WHEEL BEARINGS AND STEERING KNUCKLE
• 31 35 STABILIZER BAR
• reinforcement plate
• stabilizer links from spring strut
• spring struts from spring strut dome
• front axle support
• front stabilizer bar
• tension struts from front axle carrier
• control arms from front axle carrier
• wheel bearing
• Replacing front left or right spring strut
• rubber mounts from stabilizer
• wheel bearings
• rubber mounts on both tension struts
• TROUBLESHOOTING