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41 11 201 Replacing The Carrier Support Before The Wheel Arch On The Left

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Read contents of BODY, GENERAL .

Follow procedure for REPAIR STAGE 2 .

STRIP DOWN  vehicle.

The following new body parts are required (refer to OVERVIEW OF CONSUMABLES ):

Following CONSUMABLES  are required:

Fig 1: Identifying Outer And Inner Wheel Arch Carrier Support And Holder DSC
G09947669Courtesy of BMW OF NORTH AMERICA, INC.
Material Quantity
Adhesive K1 1
Blind rivets N1 9
Blind rivets N3 3
Punch rivets N5 18
EMC screws 2
Sealant D1  
Cleaning agent R1 1

Removing carrier support 

Open welded connections in area (1).

Fig 2: Identifying Engine Support Welded Connections Areas
G09947670Courtesy of BMW OF NORTH AMERICA, INC.

Right side of vehicle only:

Open weld joint in area (1).

Fig 3: Identifying Carrier Support Weld Joint Area
G09947671Courtesy of BMW OF NORTH AMERICA, INC.
Fig 4: Identifying Carrier Support Severance Cutting Area
G09947672Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cuts in accordance with specified dimensions and cut.

IMPORTANT: Fully sever the carrier support at severance cut (1)!

Only sever outer panel  at severance cut (2)!

Dimension a = approx. 40 mm from bore hole Ø 20 mm.

Dimension b = approx. 50 mm from severance cut (1).

Open welded connections in areas (3).

Remove carrier support sections.

New part preparation 

Mark new part in accordance with severance cut on vehicle (1) + 20 mm extra material and cut (2).

NOTE: Install new part overlapping in area of severance cut.
Fig 5: Identifying Carrier Support Severance Cutting Dimension
G09947673Courtesy of BMW OF NORTH AMERICA, INC.

Mark new part in accordance with severance cut on vehicle and cut (1).

For the severance cut, create a REINFORCEMENT PLATE  (welded) from the trim of the new part.

Adjust new parts with add-on parts to fit and secure.

Fig 6: Identifying Reinforcement Plate Severance Cutting Part
G09947674Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (3), introduce Ø 6.8 mm bore holes for blind rivets N1.

Area Number
1 2
2 3
3 2
Fig 7: Identifying Bore Holes For Blind Rivets (N1) Area
G09947675Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) and (2) introduce one Ø 6.8 mm bore hole for blind rivets N1.

Fig 8: Identifying Bore Hole Areas For Blind Rivets N1
G09947676Courtesy of BMW OF NORTH AMERICA, INC.

Prepare area of overlap (1) for plug-welding.

Fig 9: Identifying Plug-Welding Area
G09947677Courtesy of BMW OF NORTH AMERICA, INC.

Prepare area of reinforcement plate (1) for plug-welding.

Fig 10: Identifying Reinforcement Plate For Plug-Welding
G09947678Courtesy of BMW OF NORTH AMERICA, INC.

Right side of vehicle only:

Fit DSC (1) holder.

In areas (2), introduce three bore holes Ø 4.2 mm for blind rivets N3.

Remove new parts and deburr bore holes.

Fig 11: Identifying DSC Holder And Blind Rivets (N3) Area
G09947679Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Structure bonding!
OBSERVE  preparation of bonding surfaces.

Installing carrier support 

Clean all bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces.

Install new parts with add-on parts and rivet with blind rivets.

Plug-weld in area of overlap (1).

At severance cut additionally set 4 metal active gas weld seams each with a length of 1 cm.

Fig 12: Identifying Plug-Welding Area
G09947680Courtesy of BMW OF NORTH AMERICA, INC.

Install and weld reinforcement plate in area of severance cut.

Clean bonding surfaces with cleaning agent R1.

Apply adhesive to bonding surfaces, and adjust and fix new part.

In areas (1) and (2), rivet each new part with 9 punch rivets N5.

In area of severance cut, weld new part and reinforcement plate.

IMPORTANT: Risk of damage to adhesive area!
Avoid applying excessive heat to the neighboring adhesive areas!
Fig 13: Identifying Carrier Support Adhesive Rivet Areas
G09947681Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Do not seal new parts in adhesive rivet areas (1) and (2).

After hardening of adhesive, in areas (2) and (3) install one EMC SCREW  in each case.

Fig 14: Identifying Bore Holes For Blind Rivets (N1) Area
G09947682Courtesy of BMW OF NORTH AMERICA, INC.