41 21 510 Front Left Door Pillar Replacement (Front Side Panel Removed) (Coupe)

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Read contents of BODY, GENERAL .

For stripping and rigging operations, refer to FR number 41 21 510 .

Spot-weld bonding is used on this vehicle. Observe specific Procedure .

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:

A-pillar, outer
Support carrier, wheel arch, outer
Shaped part, support carrier (not shown)
Shaped part, A-pillar, inner (not shown)

Fig 1: Front Left Door Pillar Components
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Mark severance cuts in accordance with specified measurements and cut.

IMPORTANT: Cut outer plate only for following severance cuts.

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 (2).

Fig 2: Cavity Acoustic Baffles, Reinforcing Panels And Weld Joint Areas

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Mark severance cuts in accordance with specified measurements and cut.

IMPORTANT: Cut outer plate only for following severance cuts.

Measurement a = approx. 150 mm from roof edge.

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

Measurement c = approx. 500 mm before hole dia. 20 mm.

Open weld joints in areas (1).

Installation:

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

Fig 3: Weld Joint Areas, Sheet Panel And Measurement Areas

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IMPORTANT: For following severance cut, do not damage sunroof water drain hose.

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

Measurement a = approx. 190 mm from roof edge.

Fig 4: Severance Cut Mark And Measurement Area

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Open weld joint in area (1).

IMPORTANT: Do not damage sunroof water drain hose (2).

Fig 5: Open Weld Joints Areas And Sunroof Water Drain Hose

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Roughly cut outer and underlying metal panel in areas (1).

Take off door pillar.

Fig 6: Door Pillar Metal Panel Areas

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Unclip water drain hose for sliding sunroof (1).

Open weld joints in areas (2).

Remove reinforcements (3) and (4).

Installation:

Adjust new components (3) and (4) to fit after lacquer replica application on body.

Also adjust new A-pillar component to fit.

Fig 7: Sunroof, Weld Joint Areas And Reinforcements

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Preparation of new part:

Mark new part in accordance with severance cuts above and cut.

Installation:

Apply window glass adhesive to Cavity Acoustic Baffle (1).

Fig 8: Cavity Acoustic Baffle Adhesive Areas

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Installation:

Apply Adhesive in areas (1).

Adjust new part to fit with straightening attachment or universal mount.

Weld in reinforcing panels at all severance cuts.

Fig 9: Adhesive Application Areas

Courtesy of BMW OF NORTH AMERICA, INC.