41 21 003 Replacing A-Pillar With Reinforcement On Left
Observe procedure of REPAIR STAGE 3 .
Read contents of BODY, GENERAL .
Spot-weld bonding is used on this vehicle. Observe specific PROCEDURE .
Use only an approved SPOT-WELDING APPARATUS for repairs!
Place vehicle on straightening bench.
The following new body parts are required (see the applicable BMW parts catalogue):
- (1) A-pillar, outer
- (2) Middle side frame
- (3) Shaped part, A-pillar, top (not shown)
- (4) Shaped part, A-pillar, top inside (not shown)
Following CONSUMABLES are required:
| Material | Quantity |
|---|---|
| Blind rivet N1 | 1 |
| Blind rivet N2 | 1 |
Removal
Mark severance cuts in accordance with specified dimensions and cut.
Attention!
Cut outer panel only for following severance cuts.
Dimension a = approx. 200 mm from corner of roof outer skin.
Dimension b = approx. 90 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).
Undo welded connections in these areas (1) and remove the A-pillar reinforcement.
New part preparation
Mark severance cuts on new parts according to severance cuts on vehicle and sever.
Prepare REINFORCEMENT PLATES at severance cuts.
Adjust A-pillar to fit with alignment bracket or universal mount and secure.
In areas (1), set 2 bore holes 0 6.8 mm for blind rivets.
Remove new parts and deburr bore holes.
Installation
Apply sealant to cavity sealing: Refer to 41 00... INSTALLING CAVITY SEALING (EXPANDED) and 41 00... INSTALLING CAVITY SEALING (NOT EXPANDED)
Install new A-pillar and reinforcement plates with alignment bracket or universal mount and fix.
For installation, due to the absence of an outer skin, it is necessary to place a panel of equal thickness in the area of the door hinges.
Rivet new part in areas (1) and (2).
Area (1): Blind rivet N1.
Area (2): Blind rivet N2.
Weld new part in further joint areas.
Install and weld outer A-pillar 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!