Replace A-Pillar, Outer Left (M4 Coupe)
Procedure REPAIR STAGE 3 .
Read contents of BODY, GENERAL .
For stripping and rigging operations, refer to texts on KSD CD (FR number 41 21 013).
Spot-weld bonding is used on this vehicle. Observe specific PROCEDURE .
Use only approved SPOT-WELDING APPARATUS for repairs.
Following new body parts are required (see applicable BMW Parts Catalog):
- (1) A-pillar, outer
Removal
Mark severance cuts in accordance with specified dimensions and cut.
Dimension a = approx. 200 mm from corner of roof outer skin.
Dimension b = approx. 20 mm from center of a 20 mm dia. bore hole.
Open welded connections in areas (1).
OPEN spot-welded adhesive joints in area (2).
Release and remove A-pillar from cavity sealing (3).
New part preparation
Mark severance cuts on new part in accordance with severance cuts on vehicle and cut.
Prepare REINFORCEMENT PLATES at severance cuts.
Fit in new part.
Installation
Apply sealant to CAVITY SEALING .
Install and weld new parts and reinforcement plates.
- Vehicles with slide/tilt sunroof : Make sure water drain hose (1) is correctly installed (watertightness).
- In vehicle with a normal roof , a grommet is installed instead of the water drain hose.
Please ensure correct installation of the grommet!