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

WARNING: This page is about a different car, the 2011 BMW X6 and 2010 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: NOTE AIRBAG SAFETY INSTRUCTIONS !
Incorrect handling can activate airbag and cause injury.

Necessary preliminary tasks:

E72 Only: REMOVE BOTH NEGATIVE BATTERY CABLES
Disconnect battery negative lead and cover
Remove FRONT ENTRANCE COVER STRIP

Release screw (1).

Installation:

Replace screw (1).

Tightening torque 72 11 01AZ .

Unlock inertia reel unit (2) and remove from B-pillar.

Installation:

Inertia reel unit (2) is coded against incorrect installation (3).

Fig 1: Identifying Inertia Reel Unit, Incorrect Installation Position And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Slacken screw (2) and feed out sensor.

Tightening torque 65 77 3AZ .

Disconnect plug connection (3).

Installation:

Replace microencapsulated screws (1, 2).

Fig 2: Identifying Plug Connection And Screws

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).

Replace microencapsulated screws (3).

Fig 3: Identifying B-Pillar Sensor, Guide Pin And Screw

Courtesy of BMW OF NORTH AMERICA, INC.