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

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary work

Remove REAR BUMPER PANEL .

Unlock plug connection (1) and disconnect.

Unlock catch (2).

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

Fig 1: Identifying Plug Connection, Catch And Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

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

Fig 2: Identifying Frame And Sensor

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 position of the remaining connecting points.
Middle bumper panel guide must be able to be fitted without tension.

Replacement

Carry out VEHICLE PROGRAMMING AND ENCODING. .

Replacement/after body repair

-> Execute diagnosis job

Initial operation
Lane change warning sensor system