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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... Right Bulkhead Partial Replacement (Engine Carrier Front Section Removed)

41 13... Right Bulkhead Partial Replacement (Engine Carrier Front Section Removed)

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 1 rivet (size 13) in area (2).

Fig 2: Rivets Joint On Area
G05503263Courtesy 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 3: Severance And Area Cut Dimension
G05503264Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part: 

Mark new part in accordance with severance cut on vehicle + 20 mm extra material and cut (1).

Fig 4: Severance Cut On Vehicle
G05503265Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Position new component in overlapping area to bulkhead from inside.

Check attachment parts for ease of movement.

Use 11 rivets (size 13) in area (1).

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

Area (3) is only riveted together with engine carrier.

Use 4 rivets (size 15) in area (3).

Area (4) is only riveted together with outer bulkhead support carrier.

Drill holes for, see RIVETS  .

Fig 5: Rivets On Area
G05503266Courtesy of BMW OF NORTH AMERICA, INC.

see GLUE  and rivet new component together with engine carrier front section and bulkhead support carrier.

Pay attention to POTLIFE  of adhesive.