Preparing New Part

NOTE: TECHNICAL INFORMATION
Structural adhesive bonding .
Observe preparation of bonding surfaces.
For additional information see: 41 00... BMW bonding instructions

(1) Remove adhesive residue on the bonding surfaces. Do not damage the shock tower and carrier support in the process!
Prepare areas (1) for structural adhesive bonding of aluminum on aluminum and aluminum on steel.

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Remove the adhesive residue on the bonding surface (1).
Prepare the bonding surface (1) for a structure bonding of steel to aluminum.

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Remove adhesive residue from bonding surfaces.
Seal the hole (1) by MAG weld.
Drill out holes (2) to dia. 6.8 mm.
Remove adhesive residue from all other bonding surfaces.

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Adjust and affix the new part of the engine mount with an alignment bracket or a universal fixture.
Prepare areas (1) for structural adhesive bonding with blind rivets of aluminum on steel.
Transfer the holes to the new part in areas (1). Drill holes with Ø 6.8 mm.

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Adjust new part (1).
Prepare areas (2) for joining by welding.
Prepare area (3) for structural adhesive bonding with blind rivets of aluminum on steel.
In the area (3), drill holes to Ø 6.8 mm. Select the number and position in line with the self-tapping screws of the standard production.
Prepare area (4) for structural adhesive bonding with blind rivet of steel on steel.
In the area (4), drill one hole to Ø 6.8 mm. Select the position in line with the self-tapping screw of the standard production.

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Welding the ground pin and the coarse thread bolt onto the reinforcement of the engine mount

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.

Take the quantity and position from the component to be replaced.
Weld the ground pin (1) and coarse thread bolt (2) onto the new part.

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Prepare areas (1) for structural adhesive bonding with blind rivets of aluminum on steel.
Transfer the holes to the new part in areas (1). Drill holes with Ø 6.8 mm.

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Prepare area (1) for structural adhesive bonding of steel on aluminum with blind rivets.

NOTE: TECHNICAL INFORMATION
For additional information see: 41 00... Transferring hole pattern.

Transfer the hole pattern of the engine mount (1) to the new part in area (2). Drill out holes to dia. 6.8 mm.

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Prepare areas (1) and (2) for structural adhesive bonding with blind rivets of aluminum on aluminum.
In area (1), transfer the positions of the holes from the engine mount to the spring support. Drill out holes to dia. 6.8 mm.

NOTE: TECHNICAL INFORMATION
For additional information see: 41 00... Transferring hole pattern.

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Transfer the hole patterns from the engine mount to the spring support in areas (2). Drill out holes to dia. 6.8 mm.
Position holder (1).
Prepare area (2) for structural adhesive bonding with blind rivets of aluminum on aluminum.
In the area (2), drill holes to Ø 6.8 mm. Select the number and position in line with the self-tapping screws of the standard production.

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Position holder (1).
Prepare the areas (2) for structural adhesive bonding of aluminum on aluminum.
In the areas (2), drill holes to Ø 6.8 mm. Select the number and position in line with the self-tapping screws of the standard production.

Courtesy of BMW OF NORTH AMERICA, INC.