41 21 510 Replacing Front Left Door Pillar (Front Side Panel Removed)
Read contents of Body, General . Refer to 41 0 Contents Of Body, General .
Spot-weld bonding is used on the E87. Observe specific procedure . Refer to 41 00... Opening Adhesive Bonds and/or 41 00... Spot-Weld Bonding Steel Parts .
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! Refer to 41 00... Workshop Equipment .
Place vehicle on straightening bench.
Following new body parts are required (refer to Electronic Parts Catalogue ETK):
- (1) A-pillar, outer
- (2) Reinforcement, A-pillar, inner
- (3) Door hinges
- (4) Support carrier, wheel arch, outer
- (5) Shaped part, support carrier, wheel arch (not shown)
- (4) Shaped part, A-pillar, inner (not shown)
Mark severance cuts in accordance with specified measurements and cut.
Measurement a = approx. 130 mm from edge of rectangular hole.
Measurement b = approx. 200 mm from centerpoint of 12 mm dia. bore.
Open weld joints in areas (1).
Installation:
Weld in reinforcing panels at all severance cuts. Refer to 41 00... Welding In Reinforcement Plate (Steel Plate)
Apply window glass adhesive to cavity acoustic baffles (2). Refer to 41 00... Installing A Cavity Acoustic Baffle (Expanded) and/or 41 00... Installing A Cavity Acoustic Baffle (Not Expanded) .
Installation:
Right side of vehicle only:
Drill through bracket (2) and support carrier (3) in area (1) and MAG weld.
Mark severance cuts in accordance with specified measurements and cut.
Measurement a = approx. 150 mm from roof edge.
Measurement b = approx. 100 mm below severance cut a.
Measurement c = approx. 130 mm before middle of hole dia. 20 mm.
Open weld joints in areas (1).
Installation:
Sheet panel (2) is needed again to seal cowl.
Mark severance cut (1) in accordance with specified measurement.
Measurement a = approx. 180 mm from roof edge.
Cut a 20x50 mm hole in area (2).
Using a wire loop, pull sunroof water drain hose (3) away from metal panel.
Cut severance cut (1).
Open weld joint in area (1).
Open weld joint in area (1).
Open weld joint in area (1).
Open adhesive bonds in areas (2). Refer to 41 00... Opening Adhesive Bonds .
Take off door pillar.
Preparation of new part:
Mark new part in accordance with severance cuts above and cut.
Installation:
Weld in reinforcing panels at all severance cuts. Refer to 41 00... Welding In Reinforcement Plate (Steel Plate) .
Apply window glass adhesive to cavity acoustic baffle (1). Refer to 41 00... Installing A Cavity Acoustic Baffle (Expanded) and/or 41 00... Installing A Cavity Acoustic Baffle (Not Expanded) .
Apply adhesive in areas (2). Refer to 41 00... Bonding Steel On Steel .
Preparation of new part:
Outer A-pillar (2) and inner A-pillar reinforcement (1) are fitted as a single unit.
Insert inner A-pillar reinforcement (1) in outer A-pillar (2) and weld.
Installation:
Adjust new part to fit with straightening attachment or universal mount.
Installation:
Adjust new parts to fit with straightening attachment or universal mount.
MAG weld hinges in areas (2).