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Home >> BMW >> 2017 >> 340i Standard Trans >> Repair and Diagnosis >> Collision >> Body Panels >> Collision - Body Panel Repair (F30) >> Wheel Wells >> Replacing Front Left Wheel Arch

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)

Observe procedure of REPAIR TECHNIQUES, REPAIR STAGE 3 .

Read contents of body, general; refer to CONTENTS OF BODY, GENERAL .

STRIP DOWN  vehicle.

Use only an approved spot-welding apparatus for repairs! Refer to WORKSHOP EQUIPMENT (BMW AND MINI VEHICLES) .

Place vehicle on straightening bench.

Following new body parts are required (refer to appropriate parts information ):

  1. Wheel arch, front
  2. Extension, wheel arch carrier support
  3. Shaped part, wheel arch carrier support (not shown)
G10096233Courtesy of BMW OF NORTH AMERICA, INC.

The following consumables are required (refer to OVERVIEW OF CONSUMABLES (ELECTRONIC PARTS CATALOG) .

Material Quantity
Adhesive K1 1
Blind rivet N1 8
Blind rivet N7 29
Blind rivet N3 5
Punch rivets N5 12
Sealant D1  
Cleaning agent R1 1

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.

NOTE: The new part is joined in areas (2) by adhesive riveting. The bore holes in areas (2) are required for fitting the blind rivets. The new part is joined the areas (1) by plug welding.
G10096523Courtesy of BMW OF NORTH AMERICA, INC.

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.

NOTE: New part is attached in area (2) using adhesive riveting technology. The bore holes in areas (2) are required for fitting the blind rivets. The new part is joined the areas (1) by plug welding.
G10096524Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Remove component (2) which is not required.

G10096525Courtesy of BMW OF NORTH AMERICA, INC.
G10096526Courtesy of BMW OF NORTH AMERICA, INC.

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

  1. View from outside
  2. View, engine compartment

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); refer to OPENING BONDED CONNECTIONS .

Open welded connections in area (4).

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

Remove cavity sealing (5).

G10096234Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

G10096235Courtesy of BMW OF NORTH AMERICA, INC.
G10096237Courtesy of BMW OF NORTH AMERICA, INC.

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

Open welded connections in areas (1).

NOTE: Do not drill into or through the engine support when releasing the welded connections!
G10096530Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in areas (1).

Remove the wheel arch.

NOTE: Do not drill into or through the engine support when releasing the welded connections!
G10096554Courtesy of BMW OF NORTH AMERICA, INC.

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.

G10096532Courtesy of BMW OF NORTH AMERICA, INC.
G10096237Courtesy of BMW OF NORTH AMERICA, INC.

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

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.

G10096534Courtesy of BMW OF NORTH AMERICA, INC.

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

G12845279Courtesy of BMW OF NORTH AMERICA, INC.

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

G10096251Courtesy of BMW OF NORTH AMERICA, INC.

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

G10096242Courtesy of BMW OF NORTH AMERICA, INC.

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.

Area Number
1 3
2 5
G10096245Courtesy of BMW OF NORTH AMERICA, INC.

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

Remove new parts and deburr bore holes.

IMPORTANT: Structure bonding! Observe preparation of bonding surfaces; refer to BONDING STEEL ON STEEL .

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.

G10096539Courtesy of BMW OF NORTH AMERICA, INC.

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

G10096250Courtesy of BMW OF NORTH AMERICA, INC.

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

In areas (2) weld new part.

G10096534Courtesy of BMW OF NORTH AMERICA, INC.

Weld new part in area (1).

G10096236Courtesy of BMW OF NORTH AMERICA, INC.

Weld new part in area (1).

G10096251Courtesy of BMW OF NORTH AMERICA, INC.

Installation of extension, wheel arch carrier support 

Clean bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

Apply sealant to cavity sealing; refer to INSTALLING CAVITY SEALING (NOT EXPANDED) . 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.

Area Number
4 6
5 5
G10096252Courtesy of BMW OF NORTH AMERICA, INC.