41 14 020 Replacing front left wheel arch: Notes

WARNING: This page is about a different car, the 2019 MINI Cooper, 2018 MINI Cooper, 2017 MINI Cooper, 2016 MINI Cooper, and 2015 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Observe procedure of REPAIR STAGE 3 .

Read contents of BODY, GENERAL .

Use only an approved SPOT WELDER for repairs!

STRIP DOWN VEHICLE .

Place vehicle on straightening bench.

The following new parts are required:

Carrier support, outer wheel arch section
Carrier support bulkhead
Wheel arch inner section support member
Front shock tower
Support bracket shaped part (not shown)

Fig 1: Outer Wheel Arch Section, Carrier Support Bulkhead, Wheel Arch Inner Section Support Member, Front Shock Tower

Courtesy of BMW OF NORTH AMERICA, INC.

The following CONSUMABLES are required:

Material	Quantity
Adhesive K1	1
Blind rivet N1	8
Blind rivet N7	20
Cavity sealing wax remover	1
Cleaning agent R1	1
Sealant D1	1

Removal:

Mark severance cut (1) as pictured and cut.

Open welded connections in areas (2).

RELEASE spot-welded adhesive joints in area (3) and remove partial carrier support section.

Fig 2: Severance Cut Mark And Spot-Welded Adhesive Joints Area

Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cuts (1) and (2) and cut according to schematic diagram.

Release welded connections in area (3) and remove partial inner carrier support part section.

NOTE: New part is installed with overlap in area of severance cut (2).

Fig 3: Severance Cut Mark And Welded Connections Area

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Mark severance cut (1) as pictured and cut.

Open welded connections in area (2).

Fig 4: Severance Cut Marks And Welded Connections Area

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Open welded connections in area (1).

Fig 5: Welded Connections Area

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Open welded connections in areas (1) and (2).

Fig 6: Welded Connections Areas

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NOTE: Do not drill into or through the engine mount when releasing the welded connections!

Release welded connections in areas (1) and (2) and remove wheel arch.

Fig 7: Welded Connections Areas

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NOTE: Do not drill into or through the engine mount when releasing the welded connections!

Preparation of new part:

Center-punch welded connections in areas (1) and drill through with Ø 6.8 mm drill. Remove the remaining areas of the welded connections, which were not removed with the drill, from the inside of the engine mount by grinding them off.

NOTE: The new part is joined in areas (1) by adhesive riveting. The bores in areas (1) are required for lining the blind rivets. Ø 6.8 mm bores are transferred to the engine mount when adjusting the new part.

Fig 8: Adhesive-Riveting Areas

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Center-punch welded connections in areas (1) and drill through with Ø 6.8 mm drill.

Remove the remaining areas of the welded connections, which were not removed with the drill, from the inside of the engine mount by grinding them off.

Fig 9: Adhesive-Riveting Areas

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

Transfer Ø 6.8 mm bores to engine mount in areas (1) and (2).

Fig 10: Welded Connections Areas

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Transfer Ø 6.8 mm bores to engine mount in areas (1) and (2).

Fig 11: Welded Connections Areas

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In area (1), prepare new part for joining by welding.

Fig 12: Welded Connections Area

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Produce REINFORCEMENT PLATE (1) for severance cut (2) and adjust.

Adjust bulkhead (3).

In areas (4), prepare new parts for joining by welding.

Mark severance cut on carrier support inner section according to severance cut on vehicle +20 mm material extra and cut.

Fig 13: Severance Cut And Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Adjust new part and prepare in areas (1) and (2) for joining by welding.

Fig 14: Weld-Joint Areas And Spot-Welded Adhesive Joints

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NOTE: Note PROCEDURE on replacement of spot-welded adhesive joints in area (2).

Install new part in areas (1) and (2), prepare for joining by welding.

Remove new parts and deburr bores.

NOTE: Follow procedure for replacement of spot-welded adhesive joints in area (2).

(3) = position of cavity sealing.

Fig 15: Cavity Sealing And New Part Welding Areas

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IMPORTANT: Structure bonding!

OBSERVE preparation of bonding surfaces.

Installation:

Clean bonding surfaces on vehicle and on new part with cleaning agent R1.

Apply adhesive to bonding surfaces.

Install wheel arch with alignment bracket or universal mount.

Fig 16: Severance Cut Mark And Welded Connections Area

Courtesy of BMW OF NORTH AMERICA, INC.

Rivet the new part with the blind rivet N7 in the areas (1).

Use the blind rivet N1 in the areas (2).

Fig 17: Welded Connections Areas

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Rivet the new part with the blind rivet N7 in the areas (1).

In area (2), use blind rivet N1.

Fig 18: Welded Connections Area

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Weld new part in area (1).

Fig 19: Severance Cut And Welding Areas

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Install reinforcement plate (1) and weld with severance cut (2). Weld new part and bulkhead (3) in the areas (4).

Install new part, weld in areas (1) and (2).

Fig 20: Weld-Joint Areas And Spot-Welded Adhesive Joints

Courtesy of BMW OF NORTH AMERICA, INC.

Apply sealant on CAVITY SEALING (3).

Install new part, weld in areas (1) and (2).

Fig 21: Cavity Sealing And New Part Welding Areas

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