51 16 342 Removing and installing/replacing lock cylinder for passenger airbag deactivation

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Individual parts, switch for passenger airbag deactivation

Fig 1: Identifying Switch Parts For Passenger Airbag

Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks:

Remove SWITCH FOR PASSENGER AIRBAG DEACTIVATION .

Release screws (1).

Remove housing cover (2) and PCB (3) underneath.

Fig 2: Identifying Housing Cover And PCB Underneath

Courtesy of BMW OF NORTH AMERICA, INC.

Remove switch unit (1) in upward direction.

Installation:

Switch unit (1) can only be installed in one position.

PCB (4) can be inserted turned through 180°.

Position of magnet sensor (3) of PCB (4) must match up with permanent magnet (2) of switch unit (1).

Fig 3: Positioning Magnet Sensor Of PCB

Courtesy of BMW OF NORTH AMERICA, INC.

Remove guide (1) in upward direction.

Installation:

Guide (1) can only be installed in one position.

Fit seal (2) on guide (1) and insert in switch housing.

Fig 4: Identifying Seal On Guide

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Ignition key must be inserted in lock cylinder, otherwise this will be destroyed when removed.

Insert ignition key in lock cylinder (2).

Carefully release catches (1) in outward direction and press out lock cylinder (2) with ignition key.

Installation:

Lock cylinder (2) can only be inserted in "ON" or "OFF" switch position.

Lock cylinder

Fig 5: Inserting Ignition Key In Lock Cylinder

Courtesy of BMW OF NORTH AMERICA, INC.