LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1583 (Restraints - Repair) >> 12 Airbag Generator-Airbag Unit >> 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 is about a different car, the 2008 BMW 550i, 2007 BMW 550i, and 2006 BMW 550i. 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: Locating Holders Screws
G04958012Courtesy of BMW OF NORTH AMERICA, INC.

Release all screws (1) of holders.

Tightening torque: 72 12 03AZ  . See AIRBAG MODULES for specs.

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  . See AIRBAG MODULES for specs.

Remove rear AHPS2.

Fig 2: Locating Rear Screw
G04958013Courtesy 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: Locating Plug Screw
G04958014Courtesy of BMW OF NORTH AMERICA, INC.

Security version: 

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

Fig 4: Identifying Gas Generator
G04958015Courtesy 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 Retaining Screw With Anchor Fitting Of AHPS2 Head Airbag
G04958016Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Observe the following when replacing grommet:

Fig 6: Identifying Catches And Guide Lug
G04958017Courtesy of BMW OF NORTH AMERICA, INC.