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41 32 031 Replace The A-Pillar On The Outside Left In The Area Of The Windscreen

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Read contents of BODY, GENERAL .

Remove or cover those vehicle components in the repair area which are susceptible to heat or dust.

Use only approved SPOT-WELDING APPARATUS  for repairs.

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 INSTRUCTIONS 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: 

Disconnect BATTERY EARTH LEAD

Remove PANEL FOR ROOF PILLAR

Following new body parts are required (refer to OVERVIEW OF CONSUMABLES ):

Removing the A-pillar in the area of the windscreen 

Unclip wiring harness in these areas (1).

Undo airbag at the attachment points (2).

IMPORTANT: For the exact procedure, see repair instructions for REMOVING AND INSTALLING HEAD AIRBAG !
IMPORTANT: Risk of damage!
Airbag must not be kinked or bent!
Fig 2: Identifying A-Pillar Airbag Wiring Harness Areas
G09947858Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Use protective sleeve (1) to protect the airbag.

Check protective sleeve for damage prior to use.

A damaged protective sleeve must not be used!

  1. (2) Velcro fastener
  2. (3) Loop
    Fig 3: Identifying Protective Sleeve, Velcro Fastener, Loop
    G09947859Courtesy of BMW OF NORTH AMERICA, INC.

Push the protective sleeve (1) onto the airbag up to just below the roofliner so that the airbag is completely covered.

Fasten protective sleeve with Velcro fastener (2).

Secure protective sleeve with airbag against kinking.

Fig 4: Identifying Protective Sleeve With Velcro Fastener
G09947860Courtesy of BMW OF NORTH AMERICA, INC.
Fig 5: Identifying A Pillar Severance Cutting Dimension
G09947861Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cuts in accordance with specified dimensions and cut.

IMPORTANT: Cut outer panel only for following severance cuts.

Dimensions a = approx. 150 mm from roof edge.

Dimension b = approx. 340 mm below severance cut a.

Open welded connections in areas (1).

New part preparation 

Mark severance cuts on new parts in accordance with vehicle and cut.

Prepare REINFORCEMENT PLATES  at severance cuts.

Installing the A-pillar in the area of the windscreen 

Install and weld new parts and reinforcement plates.

After completing welding work:

Check airbag in area of protective sleeve for damage, REPLACE if necessary.