Preparation Of New Part

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2015 BMW Alpina B7L xDrive, 2015 BMW Alpina B7 xDrive, 2015 BMW 750i xDrive, 2015 BMW 750Li xDrive, and 2015 BMW 740Li xDrive. However, it is still accessible from the selected car via links, so may be relevant.

The reinforcement plates must if necessary be reworked and cut to size.

Adjust reinforcement plate (1) to fit in component (2) on vehicle.

Make recesses (3) for stud bolts (4) in a semicircular shape.

Diameter of recesses approx. 10 - 12 mm.

Fig 1: Fitting Reinforcement Plate Into Vehicle Components

Courtesy of BMW OF NORTH AMERICA, INC.

Secure reinforcement plate by screwing on lock nuts (1).

Fit new part (2). Make recesses (3) in new part in a semicircular shape.

Diameter of recesses approx. 10 - 12 mm.

Remove reinforcement plate again.

Fig 2: Inserting Reinforcement Plate Into Frame

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Width of joint between new part and component on vehicle approx. 5 - 8 mm (at least 30 mm flange width per side).

Plastic nuts should be screwed on once before applying adhesive (no thread in new plastic nut)!

Chamfer cutting edges (1) on joint by grinding.

(2) Component on vehicle
(3) New part

Fig 3: Identifying Chamfer Cutting Edges And Vehicle Components

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not grind new part and body in area of bonding surfaces.