New part preparation

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Mark severance cuts on new part of B-pillar in accordance with severance cuts on the vehicle and cut.

(1) B-pillar, outer
(2) B-pillar reinforcement
(3) Upper B-pillar reinforcement

NOTE: B-pillar reinforcement (2) does not require reinforcement plate. Lightly sand V-shaped joint edges and weld combined reinforcements together from the outside.

Fig 1: Identifying Outer B-Pillar, Reinforcement And Upper B-Pillar Reinforcement

Courtesy of BMW OF NORTH AMERICA, INC.

Mark further severance cuts on new parts in accordance with severance cuts on vehicle and cut.

Prepare REINFORCEMENT PLATES at severance cuts.

IMPORTANT: Risk of fire!

Slightly remove adhesive foam of cavity sealing (2) in area (1).

Cool area (1) with compressed air during welding.

Fig 2: Identifying Cavity Sealing Adhesive Foam Applying Areas

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Structure bonding !
OBSERVE preparation of bonding surfaces (1).

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

Fig 3: Identifying Bonding Surfaces

Courtesy of BMW OF NORTH AMERICA, INC.