Necessary preliminary tasks

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DISCONNECT BATTERY NEGATIVE LEAD and cover
Remove TRIM PANEL FOR DOOR PILLAR (BOTTOM)

Release screw (1).

Loosen screw (2).

Installation:

Tightening torque 65 77 5AZ .

If necessary, remove B-pillar sound insulation (5).

Raise B-pillar sensor (3) slightly through opening in B-pillar and feed out towards rear.

Unfasten plug connection (4) and disconnect.

Remove B-pillar sensor (3) from B-pillar.

Fig 1: Identifying B-Pillar Sensor And Plug Connection

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Establish correct positioning of B-pillar sensor (1) by means of guide pin (2) and screw (3).

Fig 2: Identifying B-Pillar Sensor, Guide Pin And Screw

Courtesy of BMW OF NORTH AMERICA, INC.