4121510 Replacing Front Left Door Pillar (Front Side Panel Removed): Notes

Read general service information under BODY .

Spot-weld bonding is used on this vehicle. Observe specific procedure  See 4100... SPOT-WELD BONDING STEEL PARTS  or 4100... OPENING ADHESIVE BONDS .

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!

Place vehicle on straightening bench.

Following new body parts are required (refer to BMW Electronic Parts Catalogue):

• (1) A-pillar, outer
• (2) Support carrier, wheel arch, outer
• (3) Shaped part, support carrier (not shown)
• (4) Shaped part, A-pillar, bottom inner (not shown)
  Fig 1: Identifying Outer (A-Pillar, Support Carrier And Wheel Arch)

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  Fig 2: Identifying Welding And Adhesive Applying Areas With Measurements On Left Door Pillar

  Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cuts in accordance with specified measurements and cut.

Measurement a = approx. 130 mm from edge of rectangular hole.

Measurement b = approx. 160 mm from centerpoint of 12 mm dia. bore.

Open weld joints in areas (1).

Installation:

Weld in REINFORCING PANELS  at all severance cuts.

Apply window glass adhesive to cavity acoustic baffles  See 4100... INSTALLING A CAVITY ACOUSTIC BAFFLE (EXPANDED)  or 4100... INSTALLING A CAVITY ACOUSTIC BAFFLE (NOT EXPANDED)  (2).

Fig 3: Identifying Welding And Adhesive Applying Areas With Measurements On Left Door Pillar

Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cuts in accordance with specified measurements and cut.

Measurement a = approx. 210 mm from roof edge.

Measurement b = approx. 80 mm below severance cut a.

Measurement c = approx. 215 mm before hole dia. 20 mm.

Open weld joints in areas (1).

Open adhesive bond in area (3).

Installation:

Sheet panel (2) is needed again to seal cowl.

Plug weld in area (3).

Mark severance cut (1) in accordance with measurement and cut.

Measurement a = approx. 250 mm from roof edge.

Fig 4: Identifying Roof Edge Cutting Dimension

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Open weld joint in area (1).

Fig 5: Identifying Sunroof Water Drain Hose And Welding Areas

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Open adhesive bond in area (1).

Open weld joint in area (2).

Fig 6: Identifying Adhesive Bond And Weld Joint Areas

Courtesy of BMW OF NORTH AMERICA, INC.