66 32 020 Removing and installing/replacing sensor for lane change warning on left or right

Necessary preliminary tasks:

Disconnect plug connection (1).

Unfasten screws (2).

Remove sensor (3).

Fig 1: Identifying Lane Change Warning Sensor, Screws And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Attention!

If, in the event of side damage to the vehicle, it is not necessary to replace the tail panel, observe the following points:

Fit middle bumper panel guide on undamaged side

Use middle bumper panel guide as a gauge in order to check or correct the position of the remaining connecting points.

Middle bumper panel guide must be able to be fitted without tension.

Replacement:

Run the service function below in the following cases:

After replacing the sensor for the lane change warning
After a body repair in the sensor area (including when the sensor for the lane change warning was not replaced)

Service Function: