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Home >> BMW >> 2009 >> 650i 2D Convertible, Automatic >> Repair and Diagnosis >> Collision >> Dimensions >> COLLISION - BODY PANEL REPAIR (E64) 650i >> Wheel Wells >> 41 13... Left Bulkhead Partial Replacement (Engine Carrier Front Section Removed) >> Notes

41 13... Left Bulkhead Partial Replacement (Engine Carrier Front Section Removed): Notes

Read contents of, see BODY, GENERAL .

The reduced-weight aluminum front end structure (GRAV) is used on this vehicle.

Observe specific procedure. See 4100... BONDING ALUMINUM ON ALUMINUM ; 4100... RIVETING ALUMINUM PARTS ; 4100... MATERIALS SCIENCE ; 4100... EMC SCREWS ; 4100... STRAIGHTENING ALUMINUM PARTS  or 4100... GRINDING ALUMINUM PARTS .

Following new body parts are required (refer to EPC):

Fig 1: Bulkhead Of Body
G05503255Courtesy of BMW OF NORTH AMERICA, INC.

Open rivet joints in areas (1) and (2).

Installation: 

Use 8 rivets (size 13) in area (1).

Use 3 rivets (size 13) in areas (2).

Fig 2: Rivets On Area
G05503325Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) in accordance with measurements a and b.

Measurement a=30 mm

Measurement b=10 mm

Fig 3: Severance Cut Dimension
G05503257Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) in accordance with measurements a and b and cut bulkhead.

Measurement a=305 mm

Measurement b=365 mm

NOTE: Severance cut (1) runs next to contact surface (2) for engine carrier front section.

Cut area (2) from engine compartment side.

Fig 4: Severance And Area Cut Dimension
G05503258Courtesy of BMW OF NORTH AMERICA, INC.