41 21 540 Replacing Front Left Or Right Door Pillar (Front Side Panel Removed)

WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Read contents of BODY, GENERAL .

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

Use only approved SPOT-WELDING APPARATUS for repairs.

Place vehicle on straightening bench.

Observe procedure for REPAIR STAGE 3 .

Following new body parts are required:

(1) A-pillar, outer left
(2) Support carrier, wheel arch, left

Following CONSUMABLES are required:

Fig 1: Identifying A-Pillar (Outer Left) And Support Carrier- Wheel Arch (Left)

Courtesy of BMW OF NORTH AMERICA, INC.

Material	Quantity
Adhesive K1	1
Blind rivets N1	1
Cavity sealing wax remover	1
Cleaning agent R1	1
Sealant D1

Door post removal

NOTE: New outer A-pillar part does not contain a reinforcing tube.

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

Measurement a = 115 mm from hole dia. 25 mm.

IMPORTANT: Cut outer metal panel only.

Open welded connections in area (2).

Fig 2: Identifying Weld Joint Area And Severance Cut

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen SPOT-WELDED ADHESIVE JOINTS in area (1).

Open welded connections in area (2).

Open brazed joint in area (3).

Fig 3: Identifying Weld Joint And Brazed Joint Area

Courtesy of BMW OF NORTH AMERICA, INC.

New part preparation

Mark severance cut on carrier support in accordance with severance cut on vehicle and disconnect.

Prepare reinforcement plate at severance cut.

Adjust new parts to fit with alignment bracket or universal mounting.

NOTE: Adhesive is omitted in areas (1). Observe specific PROCEDURE and seal this area with utmost care.

New part is attached in this area (2) using adhesive riveting technology.

In area (2), drill 1 Ø 6.8 mm bore hole for a BLIND RIVET N1 .

Fig 4: Identifying Adhesive Riveting Area And Non Adhesive Area

Courtesy of BMW OF NORTH AMERICA, INC.

Remove new part and deburr bore hole.

Prepare the BONDING SURFACES .

Door post installation

Clean bonding surfaces with cleaning agent R1.

Apply ADHESIVE K1 to bonding surfaces.

Install new parts using an alignment bracket or universal mount.

Rivet new part around the bonding surface.

Weld new parts.

When welding the new parts, ensure that the adhesive joints of adjoining components are not damaged by the application of heat.