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66 31... Replacing screws on ACC sensor unit

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove ACC sensor .

IMPORTANT: Visually inspect sensor housing for damage/leaks.

Replace ACC sensor if sensor housing is damaged.

Grip sensor housing (1) by screw in a vice (2).

Release screw by turning sensor housing (2).

IMPORTANT: After releasing screws, check sensor housing (1) again for damage.
Replace ACC sensor if sensor housing (1) is damaged.

Fig 1: Identifying Screws On ACC Sensor Unit

G05479150

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For purposes of clarity, graphic show ACC sensor holder removed.

Replace plastic nuts (1).

Fig 2: Identifying Plastic Nuts

G05479151

Courtesy of BMW OF NORTH AMERICA, INC.

Carry out rough adjustment of ACC sensor (1) at adjusting screws (2).

Measurement A: 42.5-43.5 mm

Fig 3: ACC Sensor Adjustment Dimensions
Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Adjust ACC sensor . See 66 31 001 Adjusting ACC sensor .