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Home >> BMW >> 2009 >> 528i Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Equipment - Repair >> Mirrors, Covers, Ashtrays, Shelves, Trays >> 51 16 342 Removing and installing/replacing lock cylinder for passenger airbag deactivation

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

Fig 1: Identifying Passenger Airbag Deactivation Components
G05477598Courtesy of BMW OF NORTH AMERICA, INC.

Necessary preliminary tasks: 

Release screws (1).

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

Fig 2: Identifying Housing Cover And PCB Underneath
G04728266Courtesy 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
G04728267Courtesy 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
G04728268Courtesy 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.

Fig 5: Inserting Ignition Key In Lock Cylinder
G04728269Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

Lock cylinder