41 00... Reinforcement Plate With Stud Bolt (Bonded): Notes

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In the case of a partial replacement piece, a body component is cut at a point described in the repair instructions.

A reinforcement plate is bonded in to ensure sufficient strength.

Reinforcement plates are available as new parts and must also be used (refer to BMW Electronic Parts Catalogue).

NOTE: The following graphics serve as general illustrations of reinforcement plate repair work. They are applicable to sectional repairs in the outer skin area.

Overview of reinforcement plates:

= Reinforcement plate, sill
= Reinforcement plate, C-pillar
= Reinforcement plate, universal
= Reinforcement plate, C- or D-pillar
= Lock nuts (not pictured)

Plastic nut dia. 18 mm, part number 07 14 1 943 122
Expansion nut dia. 22 mm, part number 07 14 7 169 847

Fig 1: Overview Of Reinforcement Plates
Courtesy of BMW OF NORTH AMERICA, INC.

Mark component in accordance with dimension a and cut.

Fig 2: Identifying Component Cutting Position

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part:

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 3: Adjusting Reinforcement Plate

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.

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)!

Fig 4: Securing Reinforcement Plate By Screwing On Lock Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Chamfer cutting edges (1) on joint by grinding.

(2) Component on vehicle
(3) New part

Fig 5: Identifying Chamfer Cutting Edges On Joint
Courtesy of BMW OF NORTH AMERICA, INC.

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