41 11 516 Replace Left Carrier Support (Partial Replacement, Front Side Panel 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 .

Place vehicle on straightening bench.

NOTE: Damaged support carriers without cracks, sharp-edged damage or holes can be straightened. After repair work, check support carrier again for cracks.

Observe, see FRAME ALIGNMENT CONTROL BODY DIMENSIONS !

Following new body parts are required:

Support carrier partial section

Fig 1: Support Carrier Partial Section

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Open riveted joints in areas (1).

Open, see EMC WELD SEAM in area (1).

Installation:

Carry over hole pattern from engine carrier to engine mounting in area (1).

Fig 2: Engine Mounting On Area And Riveted Joint

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Installation:

Use 2, see EMC SCREWS in areas (1).

Use 2, see EMC SCREWS in areas (3).

If an engine carrier partial replacement has been carried out, 2, see EMC SCREWS must be used in areas (2).

Fig 3: EMC Screw

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NOTE: View from above

Mark severance cut in accordance with measurements a and b and cut support carrier at top.

Measurement a =77 mm from recess

Measurement b =215 mm from center of bore

Fig 4: Dimension Of Centre Of Bore And Recess

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NOTE: View from below

Mark severance cut in accordance with measurement a and cut support carrier at bottom.

Measurement a =57 mm parallel to edge of spring support at front

Fig 5: Severance Cut Dimension

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Installation:

Carry over bores from engine carrier to new part in areas (1).

Adapt new part with straightening attachment or universal mount in area (2).

Drill through new part and engine carrier together.

Use 4 rivets (size 13) in areas (1).

IMPORTANT: If a partial replacement has already been carried out on the engine carrier, rivets (size 15) must be used in areas (1).

Fig 6: Bores Of Engine Carrier And Universal Mount On Area

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Installation:

Drill out rivets with 4 mm dia.

Drill holes for 6, see RIVETS in area (1).

Drill holes for 5, see RIVETS in area (2).

Drill through all holes through both parts together.

Coat all contact faces with, see ADHESIVE .

Join parts and rivet.

Fig 7: Rivets On Area

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Installation:

Use 2, see EMC SCREWS after bonding new parts in areas (1).

Fig 8: EMC Screws After Bonding New Parts On Areas

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Installation:

Left side only:

Rivet down blind rivet nut 41 32 8 257 508 in bore (1).

Fig 9: Rivet Nut 41 32 8 257 508 On Bore

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Installation:

Right side only:

Rivet down blind rivet nut 41 12 8 223 082 in bore (1).

Fig 10: Rivet Nut 41 12 8 223 082 On Bore

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Installation:

Seal cutting line and rivets with sprayable body sealing compound (sourcing reference: BMW Parts Service).

Spray gun required for body sealing compound (order no. 81 49 0 300 887).

Different riveting-down elements, depending on the equipment specification, must be mounted on the new component.