66 32 020 Removing and installing/replacing sensor for lane change warning

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove REAR BUMPER PANEL

Unfasten plug connection (1) and disconnect.

Unlock catch (2).

Remove sensor (3) from bracket in direction of arrow.

Fig 1: Removing Sensor From Bracket

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Remount frame (2) for new sensor (1).

Fig 2: Identifying Sensor And Frame Mark Area

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: 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 a to be fitted without tension.

Replacement:

Carry out VEHICLE PROGRAMMING AND ENCODING .

Replacement/after body repair:

-> Execute diagnosis job

Start-up
Lane change warning sensor system