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

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. 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 Lock Cylinder Parts For Passenger Airbag Deactivation

Courtesy of BMW OF NORTH AMERICA, INC.

Ignition key
Lock cylinder
Switch housing
Sealing ring
Guide
Switch unit
Board
Case Covers
Bolts

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, Screws And PCB

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: Identifying Switch Unit, PCB, And Magnet Sensor

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 Switch Housing Seal And 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: Releasing Catches

Courtesy of BMW OF NORTH AMERICA, INC.