66 31 006 Removing and installing (replacing) ACC sensor (Coupe/Convertible)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove cover for ACC sensor

IMPORTANT: Secure ACC sensor (2) against falling out. Cover bumper in working area with adhesive tape (1).

Fig 1: Identifying ACC Sensor, Adhesive Tape And Special Tool (00 9 317)

Using special tool 00 9 317, unclip ACC sensor (2) from holders on both sides. Installation: ACC sensor must be felt and heard to snap into place.

IMPORTANT: Secure ACC sensor (1) against falling out.

Disconnect plug connection (2).

Fig 2: Identifying ACC Sensor And Plug Connection

After installation: Carry out programming/coding and ACC sensor adjustment using BMW diagnostic system.

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