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 parts in accordance with severance cuts on vehicle and cut.

Prepare REINFORCEMENT PLATES at severance cuts.

Adjust new part A-pillar to fit with alignment bracket or universal mount.

Fig 1: Identifying Blind Rivets N7 Bore Holes Dimensions

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Joining in area (1) is performed using bonding-riveting technology.

Create bore holes (2) to (3) for blind rivets N7 as per specified dimensions:

(2): Dia. 6.8 mm bore hole in accordance with dimension a = 10 mm from component edge.

(3): Dia. 6.8 mm bore hole in accordance with dimension b = 55 mm from bore hole (2).

Fig 2: Identifying Blind Rivets Bore Hole Dimensions

Courtesy of BMW OF NORTH AMERICA, INC.

Create bore holes (1) and (2) for blind rivets N1 and N3 in accordance with schematic diagram:

Bore hole dia. 6.8 mm.
Bore holes dia. 4.2 mm.

Transfer bore holes (1) created during removal to new part.

Also drill new part through holes (1) with drill ø 6.8 mm.

Remove new parts and deburr bore holes.

NOTE: In all further joint areas, prepare new parts and body for joining by welding.

Fig 3: Identifying Blind Rivets Areas

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Structure bonding !
OBSERVE preparation of bonding surfaces.