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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1716 (Restraints And Towing - Repair) >> Gas Generator/Airbag >> 72 12 045 Removing and installing/replacing left or right AHPS2 head airbag

72 12 045 Removing and installing/replacing left or right AHPS2 head airbag

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 535xi, 2010 BMW 535i, 2009 BMW 535xi, 2009 BMW 535i, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Read and comply with SAFETY REGULATIONS  for handling airbag modules and pyrotechnical belt tensioners.
Incorrect handling can activate head airbag and cause injury.

Necessary preliminary tasks: 

Fig 1: Feeding Holders Out Of Sheet Metal Flange
G05479308Courtesy of BMW OF NORTH AMERICA, INC.

Release all screws (1) of holders.

Tightening torque 72 12 03AZ .

Feed all holders (2) out of sheet metal flange.

NOTE: The retainers behind the holders can break off. These retainers serve as an installation aid during series production and are not important for repairs.

Release rear screw.

Tightening torque 72 12 04AZ .

Remove rear AHPS2.

Fig 2: Locating Screw
G05479309Courtesy of BMW OF NORTH AMERICA, INC.

Release front screws (1 and 2).

Tightening torques:

Carefully feed gas generator out of guides towards rear, unlocking and disconnecting plug (3) in the process.

Remove gas generator completely.

Fig 3: Identifying Screws And Plug
G04762103Courtesy of BMW OF NORTH AMERICA, INC.

Security version: 

Gas generator (1) is mechanically modified, spare part changed.

Fig 4: Identifying Gas Generator
G05479311Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: View of retaining screw with anchor fitting of AHPS2 head airbag:
  1. Anchor fitting, AHPS2 head airbag
  2. Lock washer
  3. Retaining screw
    Fig 5: Identifying Anchor Fitting, AHPS2 Head Airbag, Lock Washer And Retaining Screw
    G04762104Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Observe the following when replacing grommet: