66 32 020 Removing and installing/replacing sensor for lane change warning (HC2 sensor) on left or right

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Necessary preliminary work:

Remove REAR BUMPER TRIM

Disconnect plug connection (1).

Unfasten screws (2).

Remove HC2 sensor (3).

Fig 1: Identifying HC2 Sensor And Plug Connection With Screws

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 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