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Distance Systems, Cruise Control (Repair - e90) BMW M3 E90

Collision/avoidance 22 illustrations ~1065 words

66 12 100 Removing and installing/replacing slide-in unit for radio control key

Lever out trim (1) with special tool 00 9 340 at retaining points (2) in direction of arrow.

Scheme 34

Scheme 34: 66 12 100 Removing and installing/replacing slide-in unit for radio control key
Scheme 34: 66 12 100 Removing and installing/replacing slide-in unit for radio control key

Release screws (1).

Pull back slide-in unit for radio control key (2) with associated ribbon cable.

IMPORTANTCarefully unlock ribbon cable plug connection. Replace the ribbon cable if damaged. The ribbon cable leads to: CONTROL UNIT FOR CAR ACCESS SYSTEM START/STOP SWITCH

Remove slide-in unit for radio control key (2).

Scheme 35

Scheme 35
Scheme 35

66 20 508 Removing and installing (replacing) control unit (Park Distance Control)

IMPORTANTRead and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks

  1. Remove «TRIM FROM REAR APRON»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-46-050-removing-and-installingreplacing)
  2. Remove «RIGHT LUGGAGE COMPARTMENT TRIM PANEL»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-47-161-removing-and-installingreplacing)
  3. Partially detach insulating mat.

Release screws (1) and pull back device holder (2).

Scheme 36

Scheme 36
Scheme 36

Unlock plug connections (1) and disconnect.

Unlock catch (2) in direction of arrow and remove control unit (3) upwards from device carrier (4).

Scheme 37

Scheme 37
Scheme 37

Replacement

Carry out vehicle programming and encoding.

66 20 520 Removing and installing/replacing a front (inner) ultrasonic sensor (Park Distance Control)

Necessary preliminary tasks

  1. Remove front bumper trim See «5111156 REMOVING AND INSTALLING FRONT BUMPER TRIM»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-11-156-removing-and-installing) or «5111156 REMOVING AND INSTALLING FRONT BUMPER TRIM (UP TO 09/08)»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-11-156-removing-and-installing) .

Disconnect plug connection.

Unlock retaining tabs (1) in direction of arrow and pull ultrasonic transducer (2) out of holder (3).

Scheme 38

Scheme 38
Scheme 38

Installation

Retaining hooks (1) of ultrasonic transducer (2) must engage exactly in mountings (3).

Scheme 39

Scheme 39
Scheme 39

Installation

Make sure rubber ring (1) is correctly seated on ultrasonic transducer (2).

Scheme 40

Scheme 40
Scheme 40

66 20 518 Removing and installing/replacing a front (outer) ultrasonic sensor (Park Distance Control)

Necessary preliminary tasks

  1. Remove «FRONT WHEEL ARCH TRIM»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-71-038-removing-and-installingreplacing) (front section)

Disconnect plug connection.

Unlock retaining tabs (1) in direction of arrow and pull ultrasonic transducer (2) out of holder (3).

Installation

Retaining hooks (1) of ultrasonic transducer (2) must engage exactly in mountings (3).

Installation

Make sure rubber ring (1) is correctly seated on ultrasonic transducer (2).

66 20 565 Removing and installing/replacing front signal sensor (Park Distance Control)

Necessary preliminary tasks

  1. Remove «TRIM PANEL FOR PEDAL ASSEMBLY»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-45-185-removing-and-installingreplacing) .

Disconnect plug connection (1).

Scheme 41

Scheme 41
Scheme 41

Unclip signal sensor on both sides from fixture (1).

Installation

Signal sensor (2) must snap audibly into retaining tabs.

Scheme 42

Scheme 42
Scheme 42

66 20 534 Removing and installing/replacing rear left ultrasonic transducer (Park Distance Control)

Necessary preliminary tasks

  1. Remove «REAR BUMPER TRIM»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-12-156-removing-and-installing) .

Unlock retaining tabs (1) in direction of arrow and pull ultrasonic transducer (2) out of holder (3).

Installation

Retaining hooks (1) of ultrasonic transducer (2) must engage exactly in mountings (3).

Installation

Make sure rubber ring (1) is correctly seated on ultrasonic transducer (2).

66 20 560 Removing and installing/replacing rear signal sensor (Park Distance Control)

Vehicles with HiFi or Top HiFi system

No acoustic sensors fitted because the PDC control unit activates the respective speaker on the side of obstruction.

Necessary preliminary tasks

  1. Remove «PANEL FOR ROOF PILLAR AT REAR RIGHT»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-43-251-removing-and-installingreplacing)
  2. Remove «REAR RIGHT MIDRANGE SPEAKER»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#audio-navigation-anti-theft-restraint-repair-e90__65-13-188-removing-and-installingreplacing)

Release screw (1).

Remove holder (2) from C-pillar (3) and feed out of rear window shelf.

Scheme 43

Scheme 43
Scheme 43

Installation

Holder (1) must snap into guide hole (2) in C-pillar.

Scheme 44

Scheme 44
Scheme 44

Disconnect plug connection (1).

Remove signal sensor (2).

Scheme 45

Scheme 45
Scheme 45

Replacement

Detach signal sensor (2) from holder (3).

If necessary, mark position of signal sensor on holder.

66 31 001 Adjusting ACC sensor

Unclip trim (1) at points (2) and remove towards front from bumper trim (3).

Installation

Make sure trim (1) is correctly seated.

Locking hooks (2) must not be damaged.

Scheme 46

Scheme 46: 66 31 001 Adjusting ACC sensor
Scheme 46: 66 31 001 Adjusting ACC sensor

E90/E91 up to build date 09/2008

Installation

If necessary, cut off front retaining lug (1) from trim (2).

  1. Distance: A = 10 mm

Scheme 47

Scheme 47
Scheme 47

E90/E91 up to build date 09/2008

IMPORTANTBefore adjusting ACC sensor, check ease of movement at ACC sensor.

Measure gap dimension between front bumper trim (1) and ACC sensor (2).

  1. Minimum dimension: A = 3 - 5 mm
  2. Maximum dimension: A = 6 - 7 mm

Scheme 48

Scheme 48
Scheme 48

If minimum dimension not obtained

  1. Carry out preliminary work for ACC sensor adjustment.

Carry out adjustment of ACC sensor (1) with special tool 66 3 150 by means of adjusting screws (2).

Scheme 49

Scheme 49
Scheme 49

Special tool required

Active Cruise Control ACC adjusting device, complete.

Order number: 81 10 0 021 292

Consisting of

  1. Mirror, complete
  2. Wheel laser
  3. Slotted diaphragm
  4. Control bracket (for initial installation of rail)
  5. Rail
  6. Setup and Owner's Handbook (not shown)

Scheme 50

Scheme 50
Scheme 50

Note. A holder which is not included in the scope of delivery is required to support the wheel laser. Use either the quick-action clamp from the existing KDS or ACC wheel holder (36 1 100).

Note. Follow instructions for ACC adjustment tool.

Note. To adjust the ACC sensor, connect the BMW diagnosis system and fit the ACC adjusting device. Select ACC system in diagnosis. Start test module "ACC adjustment" (service functions) and proceed in accordance with instructions. Handle ACC adjusting device in accordance with mounting and Owner's Handbook provided with device.

Note. Further information on the ACC adjusting device can be found in the BMW Workshop Equipment and Planning Documentation.

66 31 006 Removing and installing (replacing) ACC sensor

Necessary preliminary tasks

  1. Remove «FRONT BUMPER TRIM»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#body-equipment-repair-e90__51-11-156-removing-and-installing)

Disconnect plug connection (1).

Unclip ACC sensor (2) from ACC holder (3) towards front.

Installation

Make sure ACC sensor (2) is correctly engaged in ACC holder (3).

Scheme 51

Scheme 51
Scheme 51
IMPORTANTAlways replace plastic nuts (1).

Turn plastic nuts (1) with a suitable tool through approx. 90° and pull towards rear out of holder (2).

Scheme 52

Scheme 52
Scheme 52

Check preliminary adjustment of ACC sensor (1).

If necessary, carry out preliminary adjustment at retaining pins (2).

  1. Basic dimension A: 43 ± 0.5 mm
  2. Final dimension A: is adapted by means of «ACC SENSOR ADJUSTMENT»(/bmw/m3/e90-2007-2013/remont/collisionavoidance/#distance-systems-cruise-control-repair-e90__66-31-001-adjusting-acc-sensor)

Scheme 53

Scheme 53
Scheme 53
IMPORTANTAfter fitting front bumper trim, check concentric position of ACC sensor eye (1) in relation to trim (3).

If necessary, carry out position adjustment by means of screws (2).

Tightening torque 66 31AZ1 .

Make sure plain ACC sensor (1) can move freely.

Scheme 54

Scheme 54
Scheme 54

Replacement

Carry out PROGRAMMING/CODING using scan tool.

Carry out ACC SENSOR ADJUSTMENT using BMW diagnostic system.

66 31 100 Removing and installing/replacing longitudinal dynamics module

IMPORTANTRead and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD PROTECTION) .

Necessary preliminary tasks

  1. Remove «CONTROL UNIT FOR CAR ACCESS SYSTEM»(/bmw/m3/e90-2007-2013/remont/door-locks-anti-theft-systems/#general-electrical-system-repair-e90__61-35-015-removing-and-installing)

Release bolts (1) and disconnect associated plug connection.

Remove longitudinal dynamics module (2).

Scheme 55

Scheme 55
Scheme 55

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