41 14 020 Replacing Front Left Wheel Arch

When replacing front right wheel arch: observe specific procedure regarding the vehicle identification number. (order new body part with vehicle identification number if necessary)

Follow procedures for REPAIR STAGE 3 .

Read contents of BODY, GENERAL .

STRIP DOWN  vehicle.

Use only approved SPOT-WELDING APPARATUS  for repairs.

Place vehicle on straightening bench.

The following new body parts are required:

• (1) Wheel arch, front
• (2) Extension, wheel arch carrier support
• (3) Shaped part, wheel arch carrier support (not shown)
  Fig 1: Identifying Front Wheel Arch And Carrier Support Extension

  Courtesy of BMW OF NORTH AMERICA, INC.

The following consumables are required:

New part preparation 

Open welded connections in areas (1).

Center punch the welded connections in area (2) in the middle and drill out with a drill diameter of 6.8 mm.

Fig 2: Identifying Welded Connections And Areas For Adhesive Riveting New Part

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Open welded connections in areas (1).

Center punch the welded connections in area (2) in the middle and drill out with a drill diameter of 6.8 mm.

Remove components (3) which are not required.

Fig 3: Identifying Welded Connections, Areas For Blind Rivet Bore Holes, And Components

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Open welded connections in area (1).

Remove component (2) which is not required.

Fig 4: Identifying Welded Connections

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Views of the wheel arch (new part) to be fitted:

• (1) View from outside
• (2) View, engine compartment
Fig 5: Identifying Views Of Wheel Arch
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Removing the wheel arch 

Mark severance cut (1) at component edge and cut.

Mark severance cut (2) as pictured and cut.

LOOSEN  spot-welded adhesive joints in area (3).

Open welded connections in area (4).

Release metal section from cavity sealing (5) and remove.

Remove cavity sealing (5).

Fig 6: Identifying Cutting Lines, Welded Connections, Spot-Welded Adhesive Joints, And Cavity Sealing

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Open welded connections in area (1).

Fig 7: Identifying Area Of Welded Connections

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Fig 8: Locating Welded Connections

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Open welded connections in areas (1).

Open welded connections in areas (1).

Fig 9: Locating Welded Connections

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Open welded connections in areas (1).

Remove the wheel arch.

Fig 10: Locating Welded Connections

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Fit in new part 

Adjust wheel arch new part to fit with alignment bracket or universal mount and secure.

Areas (1) and (2):  Transfer existing 6.8 mm diameter bore holes for blind rivets to engine support.

In areas (3), prepare new part and vehicle for plug-welding.

Fig 11: Identifying Areas For Blind Rivet Bore Holes And Areas For Plug-Welding New Part

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In areas (1) and (2), prepare new part and vehicle for plug-welding.

Fig 12: Locating Welded Connections

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Areas (1):  Transfer existing 6.8 mm diameter bore holes for blind rivets to engine support.

In areas (2), prepare new part and vehicle for plug-welding.

Fig 13: Identifying Areas For Blind Rivet Bore Holes And Areas For Plug-Welding New Part

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In area (1), prepare new part and vehicle for plug welding.

Fig 14: Identifying Area Of Welded Connections

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In area (1), prepare new part and vehicle for plug welding.

Fig 15: Identifying Area For Welding New Part

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Mark and disconnect severance cut on the new part according to the severance cut on the vehicle + 20 mm added material (1).

Fig 16: Identifying Severance Cutting Area

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Adjust extension, wheel arch carrier support new part to fit and secure.

In areas (1) and (2), set 6.8 mm diameter bore holes for blind rivets.

In area (3), set 4 4.2 mm diameter bore holes for blind rivets N3.

Remove new parts and deburr bore holes.

Fig 17: Identifying Locations For Creating Blind Rivet Bore Holes

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Installing new part, front wheel arch 

Clean bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

Install wheel arch with alignment bracket or universal mount.

In areas (1), rivet new part with blind rivets N1.

In areas (2), rivet new part with blind rivets N7.

In areas (3) weld new part.

Fig 18: Identifying Areas For Riveting And Areas For Welding

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In areas (1) and (2), weld new part.

Fig 19: Identifying Areas For Welding New Part

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In areas (1), rivet new part with blind rivets N7.

In areas (2) weld new part.

Fig 20: Identifying Areas For Blind Rivet Bore Holes And Areas For Plug-Welding New Part

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Weld new part in area (1).

Fig 21: Identifying Area Of Welded Connections

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Weld new part in area (1).

Fig 22: Identifying Area For Welding New Part

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Installation of extension, wheel arch carrier support 

Clean bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

Apply sealant to CAVITY SEALING . Install cavity sealing.

Install extension, wheel arch carrier support.

In areas (1) and (2), rivet new part with blind rivets N7.

In area (3) rivet new part with blind rivets N3.

In areas (4) and (5), rivet new part with punch rivets N5.

Fig 23: Identifying Areas For Riveting New Part

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