65 77 720 Removing and installing (replacing) left B-pillar sensor

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection) . See 61 35... NOTES ON ESD PROTECTION (ELECTRO STATIC DISCHARGE) .

WARNING: Note airbag safety instructions !
Incorrect handling can activate airbag and cause injury.

NOTE: Follow instructions for handling optical fibers . See 61 00... NOTES ON HANDLING OPTICAL FIBERS .

Necessary preliminary tasks:

Disconnect battery negative lead and cover. See 12 00... INSTRUCTIONS FOR DISCONNECTING AND CONNECTING BATTERY .
Remove trim panel for door pillar (bottom). See 51 43 150 REMOVING AND INSTALLING OR REPLACING TRIM FOR LEFT OR RIGHT DOOR PILLAR (BOTTOM) .

Slacken screws (1)

Release screw (2).

Installation:

Tightening torque 65 77 5AZ , see 77 AIRBAG TRIGGER DEVICE

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

Unclip cable duct (4) at points (5).

Fig 1: Identifying B-Pillar Sensor And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock plug connections (1) and disconnect.

Feed B-pillar sensor (2) in direction of arrow out of B-pillar (3) and remove.

Installation:

Make sure electrical leads are correctly routed.

Fig 2: Disconnecting Plug Connections Of B-Pillar Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Make sure metal nut (1) is correctly positioned on B-pillar sensor (2).

Fig 3: Identifying Metal Nut On B-Pillar Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement:

Carry out programming/coding .