Necessary preliminary work

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 335xi, and 2010 BMW 335i. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect BATTERY EARTH LEAD
Remove FRONT SEAT
Partially detach BACKREST COVER

IMPORTANT: Make sure airbag wiring harness is exactly routed when installed.

Cut cable straps.

Release airbag wiring harness (2) from cable holders on seat mechanism.

Raise release clip (3) and pull plug (4) out of plug housing (1).

NOTE: If necessary, release yellow plug housing (1) from holder on seat mechanism.

Fig 1: Pulling Plug Out Of Plug Housing

G04727011

Courtesy of BMW OF NORTH AMERICA, INC.

Unclip Omega cable holder (1) from seat mechanism (2).

Fig 2: Identifying Omega Cable Holder Of Seat Mechanism

G04728086

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Installation note:

Replace nuts.

Tightening torques 72 12 02AZ .

Fig 3: Identifying Seat Mechanism Nut

G04728087

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Feed the wiring harness carefully through the seat and backrest mechanism as the edges of the frame can be sharp.

Pull airbag module (2) with threaded pins out of backrest frame.

Feed out airbag module (2) between padding (1) and inner bag (3).

Installation note:

Pull inner bag (3) fully over airbag module (2) and threaded pins.

Insert threaded pins into backrest frame and secure with new nuts.

No inner bag material is permitted to project through the hole in the inner frame.

Install nuts and tighten down.

Tightening torques 72 12 02AZ .

Fig 4: Pulling Airbag Module With Threaded Pins Out Of Backrest Frame

G06898311

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Feed out wiring harness (2) of airbag module (1) through seat and backrest mechanism (3) carefully on account of sharp edges.

Installation note:

Make sure wiring harness is correctly laid.

Fig 5: Identifying Airbag Module With Wiring Harness And Backrest Mechanism

G04728089

Courtesy of BMW OF NORTH AMERICA, INC.