66 31 006 Removing and installing (replacing) ACC sensor

Necessary preliminary tasks: 

• Remove FRONT BUMPER TRIM

Disconnect plug connection (1).

Fig 1: Identifying Plug Connection

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

Remove plastic nuts (1) from associated ball ends of ACC sensor.

Installation: 

Always replace plastic nuts (1).

Fig 2: Identifying Plastic Nuts

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Replacement: 

Check preliminary adjustment of ACC sensor (1).

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

• Measurement A: 43 ± 0.5 mm
  Fig 3: Identifying Retaining Pins

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Replacement: 

Carry out programming/coding. Refer to PROGMAN .

Carry out ACC sensor adjustment  using BMW diagnostic system.