Replacing Engine Support In Front Of Wheel Arch, Left

Follow procedure for REPAIR STAGE 3 .

Read contents of BODY, GENERAL .

STRIP DOWN VEHICLE .

For stripping and rebuilding operations, refer to surrounding texts on KSD (flat rate unit number 41 11 095).

Use only approved SPOT-WELDING EQUIPMENT  for repairs!

Place vehicle on straightening bench.

Following new body parts are required (see Electronic Parts Catalogue):

• (1) Engine support, outer
• (2) Engine support, inner

Courtesy of BMW OF NORTH AMERICA, INC.

Removal 

Mark severance cut in accordance with Dimension a and cut.

Attention! 

Offset severance cuts!

Cut outer metal panel only.

Dimension a = approx. 63 mm before center point of 9 x 9 mm dia. hole.

Severance cut path is carried out through 7 mm diameter hole.

Open welded connections in areas (1).

Courtesy of BMW OF NORTH AMERICA, INC.

View of inside:

Mark severance cut in accordance with Dimension a and cut.

Attention! 

Cut outer metal panel only.

Dimension a = approx. 5 mm from component edge of reinforcement plate.

Remove section of engine support.

Courtesy of BMW OF NORTH AMERICA, INC.

New part preparation 

Open welded connections (1) and remove component (2) which is not required.

Mark severance cuts on new parts according to severance cuts on vehicle and sever.

Adjust new parts to fit with alignment bracket or universal mounting.

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

Adjust engine support outer section (1) to alignment bracket or universal fixture and fix in position.

Adjust REINFORCEMENT PLATE  (2) for engine support outer section (1) according to schematic diagram.

Remove engine support outer section.

Attention!

Reinforcement plate must be adjusted in area of axle support (3).

Different procedure:  Reinforcement plate is welded from inside during installation.

Bore hole for welding the reinforcement plate from outside are therefore not required.

Alignment bracket not shown for purposes of clarity.

Courtesy of BMW OF NORTH AMERICA, INC.

Adjust engine support inner section (1) to alignment bracket or universal fixture and fix in position.

Adjust REINFORCEMENT PLATE  (2) for engine support inner section (1) according to schematic diagram.

Attention!

Reinforcement plate (2) must be adjusted in area of axle support (3).

Reinforcement plate is welded from inside to outside  during installation.

Bore hole for welding the reinforcement plate from outside are therefore only required in the front area.

See the following figure.

Alignment bracket and carrier support not shown for purposes of clarity.

Courtesy of BMW OF NORTH AMERICA, INC.

In areas (2), set bore holes for plug welding.

Remove engine support inner section (1).

Installation 

Courtesy of BMW OF NORTH AMERICA, INC.

Install the reinforcement plate (1) for the engine support inner section and weld to the axle support.

For this purpose, in areas (2) set MAG weld seams with a length of 10 -15 mm.

Courtesy of BMW OF NORTH AMERICA, INC.

Install engine support outer section (1) and reinforcement plate (2) with alignment bracket or universal fixture and weld.

For this purpose, apply a 10 -15 mm long metal active gas weld seam in this area (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Install engine support inner section with alignment bracket or universal fixture and weld in areas (1) and (2).

In areas (1) weld new part.

Courtesy of BMW OF NORTH AMERICA, INC.

Weld new part in area (1).

Courtesy of BMW OF NORTH AMERICA, INC.