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Home >> BMW >> 2018 >> M4 2D Convertible, Automatic DCT Trans >> Repair and Diagnosis >> Restraints >> Seat Belts >> Restraints - Repair -- M4 (F82 & F83) >> 72 12 Gas Generators, Airbag Module (Without Steering Wheel Airbag 3234) >> Removing and installing or replacing left or right head airbag (version without slide/tilt sunroof)

Removing and installing or replacing left or right head airbag (version without slide/tilt sunroof)

Special tools required: 

IMPORTANT: Operations on pyrotechnical devices may only be carried out by authorized experts.

Improper, unauthorized operations may result in serious dangers.

Unauthorized persons are strictly prohibited from performing any operations on this system. 

WARNING: Read and comply with SAFETY INFORMATION  for handling airbag modules and pyrotechnical belt tensioners.

Incorrect handling can activate airbag and cause injury.

A damaged head airbag must be replaced.

A damaged head airbag exhibits an impaired protective function and in extreme cases loses its protective function altogether.

Necessary preliminary tasks: 

IMPORTANT: Lay out protective mats to protect the interior equipment against debris from the drilled-out rivets and damage.

Lay out protective mats in the relevant working area:

G04753865Courtesy of BMW OF NORTH AMERICA, INC.

Installation overview, retaining elements, head airbag: 

G13807446Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: When removing head airbag, do not damage

Do not damage!

To unlock the retaining clips, use special tool 2 230 142.

Unlock and remove all retaining clips.

Installation note: 

Mounting clips of folding pack must not be damaged.

Replace faulty retaining clips.

Replace retaining clips after airbag deployment.

G10099233Courtesy of BMW OF NORTH AMERICA, INC.

For US version: 

Drill out rivet head (1).

G10144217Courtesy of BMW OF NORTH AMERICA, INC.

For US version: 

Drill out rivet head (1).

G10144218Courtesy of BMW OF NORTH AMERICA, INC.

Unlock PLUG CONNECTION  (1) for gas generator and disconnect.

Drill out rivet heads in marked area (2).

Remove the gas generator with the folding pack.

G10144219Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Note INSTRUCTIONS for the removal of rivets.

Installation note: 

Gas generator is coded against incorrect assembly.