BMW X3 Service & Repair Manual: Replace B-pillar, outer left

Procedure OBSERVE repair stage 3!

Read contents of BODY, GENERAL.

Use only an approved SPOT-WELDING APPARATUS for repairs! Following new body parts are required (see OVERVIEW OF CONSUMABLES):

  • (1) A-pillar with entrance
  • Shaped part, B-pillar bottom outside

Body+and+Frame

Removal:

Body+and+Frame

Mark severance cuts in accordance with specified dimensions and cut.

IMPORTANT: Cut outer panel only for following severance cuts.

Dimension a = approx. 180 mm after center point of Ø 8 mm hole.
Dimension b = approx. 175 mm from edge of roof frame.
Dimension c = approx. 180 mm from center point of Ø 20 mm hole.

Open welded connections in areas (1).

Release A-pillar from cavity sealing (2) and remove.

Preparation of new part: Mark severance cuts on new parts in accordance with severance cuts on vehicle and cut.

Prepare REINFORCEMENT PLATES at severance cuts.

Installation:

Body+and+Frame

Apply sealant to cavity sealing .

Install new parts and reinforcement plates and weld to designated area (2).

    Replace B-pillar with reinforcement on left
    Procedure OBSERVE repair stage 3! Read contents of BODY, GENERAL. Use only approved SPOT-WELDING APPARATUS for repairs! Place vehicle on straight ...

    Replacing A-pillar with reinforcement on left
    Procedure OBSERVE repair stage 3! Read contents of BODY, GENERAL. Spot-weld bonding is used on this vehicle. Observe specific PROCEDURE. Use on ...

    Other materials:

    BMW X3 Service & Repair Manual > Body repair instructions: Emc screws
    (EMC = Electro-Magnetic Compatibility) 1. Purpose: EMC SCREWS are used in the Bonding/Riveting repair method to re-establish bonding transition. They assume the function of welded joints, which ensure transition to ground between the individual components. The punch or blind rivets ...

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