BMW 7 Owners & Service Manuals
BMW 7 Series (F01/F02) 2008-2015 Service Manual / Body / Support Members / Replacing Front Section Of Left Engine Support

BMW 7 Series: Replacing Front Section Of Left Engine Support

Observe procedure of REPAIR STAGE 3.

Read contents of BODY, GENERAL.

Steel-aluminium composite construction is used on the vehicle.

Observe specific procedure.

Use only approved SPOT-WELDING APPARATUS for repairs.

Place vehicle on straightening bench.

Following new body parts are required:

  1. Engine support
  2. Engine support, rear

Body
Fig. 126: Identifying Engine Support And Engine Support, Rear

Open welded connections in area (1).

Body
Fig. 127: Identifying Welded Connections Area

Drill out riveted connections in areas (1) and (2).

Installation note: Use 19 N2 RIVETS in areas (1) and (2).

Glue new component with ADHESIVE K1.

Body
Fig. 128: Identifying Rivet Holes Drill Areas

Mark severance cut (1) in accordance with dimension a and cut engine support.

Measurement a=140 mm

Installation note: Weld in REINFORCEMENT PLATES at severance cut.

Body
Fig. 129: Identifying Reinforcement Plate Severance Cut

Roughly mark severance cuts (1) and cut.

IMPORTANT: Do not damage spring strut dome (2).

Body
Fig. 130: Identifying Spring Strut Dome And Severance Cuts

Heat ADHESIVE AREAS with hot air blower and release sheet sections (1) from spring strut dome.

IMPORTANT: Do not damage spring strut dome (2).

Installation note: Remove adhesive residue from spring strut dome.

Then FLAME-COAT bonding surfaces of spring strut dome.

Grind bonding surfaces on engine support blank.

Clean bonding surfaces with CLEANING AGENT R1 !

Body
Fig. 131: Identifying Sheet Sections And Spring Strut Dome

Open welded connections in area (1) and remove engine support section (2).

Body
Fig. 132: Identifying Welded Connections Area And Engine Support Section

Installation note: MAG-weld new part in area (1).

To do so, apply 2 fillet welds at spacing of 15 mm.

Length of fillet welds approx. 10 mm.

Body
Fig. 133: Identifying New Component MAG-Welding Area

Preparation of new part

Mark new parts in accordance with severance cuts on vehicle and cut.

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

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