41 11 015 Replacing Left Engine Support With Wheel Arch

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Observe procedures of REPAIR STAGES 3 .

Read contents of BODY, GENERAL .

Steel - aluminum composite construction is used on the vehicle. Observe specific PROCEDURE .

Spot-weld bonding is used on this vehicle. Observe specific PROCEDURE .

Use only approved SPOT-WELDING APPARATUS for repairs!

Place vehicle on straightening bench.

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

(1) Engine support
(2) Engine support, rear
(3) Wheel arch, front
(4) Connection, wheel arch/entrance
(5) Connection, side frame, rear
(6) Shaped parts, carrier support, wheel arch, front (not shown)

Fig 1: Identifying Engine Support With Wheel Arch And Related Components
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Following CONSUMABLES are required:

Material	Quantity
Adhesive K1	1
Blind rivets N2	25
Cleaning agent R1	1
Cavity sealing wax remover	1
Sealant D1

Removal of engine support with wheel arch

Open welded connections in area (1).

Fig 2: Identifying Engine Support And Wheel Arch Welded Connections Area

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Open welded connections in area (1).

Fig 3: Identifying Engine Support And Wheel Arch Welded Connections Area

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Open welded connections in areas (1).

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

Roughly cut side frame connection along lines (3).

Release the side frame connection from the cavity sealing and remove.

Fig 4: Identifying Side Frame Connection Line, Welded Connections And Spot-Welded Adhesive Joints Areas

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Open welded connections in area (1).

Remove cavity sealing (2).

Fig 5: Identifying Cavity Sealing And Welded Connections Area

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

Dimension a = 140 mm

Fig 6: Identifying Reinforcement Plate Severance Cut

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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 7: Identifying Wheel Arch And Rivet Bounded Connection Areas

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Open welded connections in area (1).

Remove metal section (2).

Fig 8: Identifying Metal Section And Welded Connection Areas

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Mark severance cut (1) and cut.

IMPORTANT: Cut outer panel only.

Open welded connections in area (2).

Fig 9: Identifying Outer Panel Severance Cut And Welded Connection Areas

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View of engine support from front.

Open welded connections in area (1).

Fig 10: Identifying Front Engine Support Welded Connection Areas

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Open welded connections in area (1).

Remove part section (2).

Fig 11: Identifying Part Section And Welded Connection Areas

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New part preparation

Open welded connections in areas (1). Remove metal section (2).

Fig 12: Identifying Metal Section And Welded Connection Areas

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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 13: Identifying Severance Cut Position

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

Fig 14: Identifying Rear Engine Support Severance Cut Position

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

Dimension a = 15 mm

Remove metal section (2).

Fig 15: Identifying Metal Section And Severance Cut Position

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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 16: Identifying Rivet Holes Drill 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 17: Identifying Wheel Arch And Rivet Bounded Connection Areas

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Installation of engine support with wheel arch

Clean bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

Apply sealant to new cavity sealing See 41 00... INSTALLING A CAVITY ACOUSTIC BAFFLE (EXPANDED) or 41 00... INSTALLING A CAVITY ACOUSTIC BAFFLE (NOT EXPANDED) of wheel arch carrier support.

Install new parts and reinforcement plates with alignment bracket or universal mount.

Rivet the new parts analogous with the series in the adhesive areas.

Weld the new parts in the remaining joint areas.

View from below.

Weld new parts in area (1) same as the series.

Fig 18: Identifying Components Welding Area

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Weld new parts in area (1) same as the series.

Fig 19: Identifying Components Welding Area

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Weld new parts in area (1) same as the series.

Fig 20: Identifying Components Welding Area

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MAG-weld new part in area (1).

To do so, apply 2 fillet welds at distance of approx. 20 mm. Length of fillet welds approx. 15 mm.

Fig 21: Identifying MAG-Welded Area

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MAG-weld new part in areas (1).

To do so, apply 10 mm long fillet welds at spacing of 15 mm.

Fig 22: Identifying MAG-Welded Area

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