Removal of engine support with wheel arch

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 BMW 760Li, 2014 BMW 760Li, 2013 BMW 760Li, 2012 BMW 760Li, and 2011 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

Open welded connections in area (1).

Fig 1: Identifying Welded Connections Area

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Open welded connections in area (1).

Fig 2: Identifying Welded Connections Area

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Roughly cut side frame connection along lines (1).

OPEN spot-welded adhesive joints in areas (2).

Open welded connections in areas (3).

Release side frame connection from cavity sealing (4) and remove.

Open remaining welded connections in areas (1).

Fig 3: Identifying Side Frame Connection Lines, Spot-Welded Adhesive Joints Areas And Welded Connections Areas

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Open welded connections in area (1).

Remove cavity sealing (2).

Fig 4: Identifying Welded Connections Area And Cavity Sealing

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

Dimension a = 140 mm

Fig 5: Identifying Severance Cut Mark

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Drill out rivet connections in area (1).

Open bonded connections in area (1).

Remove wheel arch (2) with engine support.

Fig 6: Identifying Bonded Connections Area And Wheel Arch

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Open welded connections in area (1).

Remove metal section (2).

Fig 7: Identifying Welded Connections Area And Metal Section

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Mark severance cut (1) and cut.

IMPORTANT: Cut outer panel only.

Open welded connections in area (2).

Fig 8: Identifying Severance Cut Mark

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View of engine support from front.

Open welded connections in area (1).

Fig 9: Identifying Welded Connections Area

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Open welded connections in area (1).

Remove metal section (2).

Fig 10: Identifying Welded Connections Area And Metal Section

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New part preparation

Open welded connections in areas (1).

Remove metal section (2).

Fig 11: Identifying Welded Connections Areas And Metal Section

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

Dimension a = 20 mm

NOTE: New part is welded to the body in the area of the severance cut (1).

Fig 12: Identifying Severance Cut Mark

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Mark rear engine support in accordance with severance cut on vehicle and cut (1).

Fig 13: Identifying Rear Engine Support Cut Mark

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

Dimension a = 15 mm

Remove metal section (2).

Fig 14: Identifying Severance Cut Mark And Metal Section

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Prepare REINFORCEMENT PLATES at severance cuts.

IMPORTANT: To avoid contact corrosion, do not grind the new wheel arch part in the area of the BONDING SURFACES .
Grind bonding surfaces on body blank.

Adjust new parts to fit with alignment bracket or universal mount and secure.

In areas (1) and (2) set 19 bore holes with a diameter of 6.8 mm for blind rivets N2.

Arrangement of blind rivets is analogous to the series.

Fig 15: Identifying Alignment Bracket Areas

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In area (1) transfer 6 bore holes Ø 6.8 mm for blind rivets N2 on new part.

Remove new parts and deburr bore holes.

Fig 16: Identifying Bonded Connections Area And Wheel Arch

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