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

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

Observe specific procedure  .

Following new body parts are required:

• Bulkhead
  Fig 1: Identifying Bulkhead

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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 Installation Area

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

Measurement a=305 mm

Measurement b=365 mm

Fig 3: Contact Surface For Engine Carrier Front Section

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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

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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 rivets  .

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

Pay attention to potlife  of adhesive.

Fig 5: Rivets Installation Area

Courtesy of BMW OF NORTH AMERICA, INC.