72 12 050 Removing and installing side airbag (sport seat)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Observe safety regulations for handling airbag modules and pyrotechnical seat belt pretensioners.
Incorrect handling can cause airbags to trigger, resulting in serious injuries.

Necessary preliminary tasks:

Disconnect battery negative lead . See 61 20 900 DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD .
Remove rear panel on front seat . See 52 13 198 REMOVING AND INSTALLING/REPLACING REAR PANEL ON LEFT OR RIGHT FRONT SEAT BACKREST .
Remove front seat . See SEATS - REPAIR .

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

Detach cable tie.

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: Identifying Airbag Wiring Harness, Clip, Plug And Plug Housing

G05780403

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Cable Holder

G05780404

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Installation:

Replace nuts.

Tightening torques, see 72 12 02AZ in 72 12 AIRBAG MODULES .

Fig 3: Identifying Nuts

G05780405

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.

Installation:

Make sure wiring harness is correctly laid.

Assemble front seat.