41 11 023 Replacing Front Section Of Engine Support To Left Wheel Arch

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Observe procedure for REPAIR STAGE 3 .

Read general service information under BODY, GENERAL .

STRIP DOWN VEHICLE .

Place vehicle on straightening bench.

Following new body parts are required:

(1) Wheel arch, front
(2) Carrier support, outer wheel arch section

Following CONSUMABLES are required:

Fig 1: Identifying Front Wheel Arch And Outer Wheel Arch Support Carrier

Courtesy of BMW OF NORTH AMERICA, INC.

CONSUMABLES REFERENCE CHART

Material	Quantity
Adhesive K1	1
Blind rivets N1	41
Punch rivets N5	39
EMC screws	2
Cleaning agent R1	1
Cavity sealing wax remover	1
Sealant D1

Mark severance cut (1) in front of holder (2) and cut (holder (2) remains on vehicle).

Open welded connections in area (3).

Installation note:

Mark severance cut (1) in on new part and cut. Take off holder (2).

Apply sealant to cavity sealing (4).

Fig 2: Identifying Severance Cut With Cavity Acoustic Baffle And Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

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

IMPORTANT: Cut outer metal panel only.

Measurement a=130 mm from front edge of bush

Fig 3: Identifying Severance Cut And Measurement From Front Edge Of Bush

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Weld in REINFORCEMENT PLATES at all severance cuts.

Open welded connections in areas (1).

Fig 4: Identifying Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in areas (1).

Fig 5: Identifying Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Installation note:

If equipment compartment partition wall (2) is damaged, cut along line (3).

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

Bond both parts overlapping and rivet. Depending on accessibility, use punch rivets N4 and blind rivets N3.

Fig 6: Identifying Welding Areas On Compartment Partition Wall

Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Fig 7: Identifying Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Make severance cut on new carrier support part in accordance with severance cut on vehicle.

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

Open weld joints in areas (1) on both sides.

Open welded connections in area (2).

Detach remainder of reinforcement from engine support.

Fig 8: Identifying Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Open welded connections in areas (1).

Take off holder.

Fig 9: Identifying Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

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

Fig 10: Identifying Alignment Bracket Or Universal Mount

Courtesy of BMW OF NORTH AMERICA, INC.

In area (1) set ten 6.8 mm dia. holes for blind rivets N1.

Installation note:

In area (2) 2 N5 punch rivets are used later.

Fig 11: Identifying Rivet Areas

Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) and (2) set 6.8 mm dia. holes for blind rivets N1:

Area (1): 3 bore holes
Area (2): 2 bore holes

Fig 12: Identifying Rivet Areas

Courtesy of BMW OF NORTH AMERICA, INC.

In area (1) set seven 6.8 mm dia. holes for blind rivets N1.

Installation note:

In area (2) 1 N5 punch rivet is used later.

Fig 13: Identifying Rivet Areas

Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (4) set 6.8 mm dia. holes for blind rivets N1:

Open welded connections in area (1).

Area (1): 5 bore holes
Area (2): 2 bore holes
Area (3): 1 bore hole
Area (4): 9 bore holes

Fig 14: Identifying Rivet Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

After adhesive has hardened install 2 EMC SCREWS in areas (1) and (4).

Set two 6.8 mm dia. holes for blind rivets N1 in area (1).

Remove all new parts and deburr holes.

Fig 15: Identifying Hole Area For Blind Rivets

Courtesy of BMW OF NORTH AMERICA, INC.

Installing wheel arch:

IMPORTANT: Do not grind/sand new parts in area of bonding surfaces.

Clean bonding surfaces with adhesive cleaning agent R1.

Apply adhesive K1 to bonding surfaces.

Install new parts and rivet with blind rivets.

IMPORTANT: Three-plate connection (1)!
In area (1) rivet new part on both sides offset with 4 punch rivets N5.

Use 14 punch rivets N5 in area (2).

Use 18 punch rivets N5 in area (3).

Fig 16: Identifying Rivet Areas On Wheel Arch

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Vehicles with spring strut dome plate insert:

Different plate inserts are fitted, depending on the model.

Version (A) riveted
Version (B) screwed

IMPORTANT: Use only identical plate inserts on both sides of the vehicle.

Riveted version:

If damaged, the plate inserts must always be replaced with screwed versions on both sides of the vehicle.

Fig 17: Identifying Spring Strut Dome Plate Insert (Glued And Screwed)

Courtesy of BMW OF NORTH AMERICA, INC.

Glued version:

Adhesive/contact surfaces of plate insert must be free of sealing compound, final paint coat and underseal.

Do not grind off primer.

Use adhesive gun 41 3 102 in conjunction with adhesive K3.

Apply K3 adhesive in areas (1). Do not apply any adhesive in area (2).

Fig 18: Identifying K3 Adhesive Applying Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Secure plate insert with 3 screws and nuts for 2 hours at min. 20°C.

IMPORTANT: Operational strength is only achieved after 12 hours!