66 31 006 Removing And Installing (Replacing) ACC Sensor

Necessary preliminary tasks: 

• Remove FRONT BUMPER TRIM

Lift out wiring harness (1) at points (2).

Disconnect impact absorber (3) at carrier (4) and remove.

Fig 1: Identifying Wiring Harness, Impact Absorber And Carrier

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Installation: 

Mountings (1) of impact absorber (2) must not be damaged.

Fig 2: Identifying Mountings And Impact Absorber

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Unfasten plug connection (1) and disconnect.

Unscrew nuts (2).

Installation: 

Replace self-locking nuts.

Release screw (3).

Feed out ACC sensor (4) with retaining plate (5) in direction of arrow and remove.

Fig 3: Removing ACC Sensor With Retaining Plate

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Unfasten plug connection (1) and disconnect.

Unclip electric cable (2) at cable guides (3).

Release screws (4) and remove ACC sensor (5) from retaining plate (6).

Fig 4: Identifying Electric Cable, Cable Guides, ACC Sensor And Retaining Plate

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Installation: 

Adjustment aid (1) must not be damaged.

If necessary, detach adjustment aid (1) from retaining plate (2). To do so, unlock catches (3) and detach adjustment aid (1) in direction of arrow from retaining plate (2).

Fig 5: Detaching Adjustment Aid From Retaining Plate

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Replacement: 

Carry out rough adjustment of ACC sensor (1).

If necessary, perform rough adjustment at adjusting screws (2).

• Measurement A [mm]: 22.5 to 25.0

Fig 6: Identifying Adjustment Of ACC Sensor

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Replacement: 

Carry out ACC SENSOR ADJUSTMENT  using BMW diagnostic system.

Replacement: 

Carry out PROGRAMMING/CODING .