41 12 590 Replacing Luggage Compartment Floor (Complete With Left Or Right Inner Wheel Arch Section, Tail Panel Removed)

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.

Read general service information under BODY, GENERAL .

Remove or cover those vehicle components in the repair area which are susceptible to heat or dust.

Spot-weld bonding is used on this vehicle. Observe specific PROCEDURE .

Use only approved SPOT-WELDING APPARATUS for repairs!

Place vehicle on straightening bench.

Following new body parts are required:

(1) Luggage compartment floor, upper section
(2) Rear axle carrier
(3) Wheel arch, rear, inner half, left
Touring only:
1. (4) Bracket, tension strut, rear (not illustrated)
Fig 1: Identifying Body Parts
Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut in accordance with measurement a and cut.

Measurement a=40 mm behind support, frame side member (1).

Installation:

Weld in REINFORCEMENT PLATES at severance cuts.

Fig 2: Identifying Measurement From Frame Side Member

Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) and cut.

Open weld joints in areas (2).

Installation:

Weld new components in areas (3) additionally.

Fig 3: Identifying Severance Cut With Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) in accordance with measurement a and cut rear axle carrier.

IMPORTANT: Cut outer metal sheet only.

Measurement a=70 mm from rear axle bushing mounting.

Open weld joints in area (2).

Installation:

Weld in REINFORCEMENT PLATES at severance cuts.

Fig 4: Identifying Measurement From Rear Axle Bushing Mounting

Courtesy of BMW OF NORTH AMERICA, INC.

Open weld joints in areas (1).

Fig 5: Identifying Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Saloon and Coupe only:

Open weld joints in area (1).

Installation:

Weld new components in areas (2) additionally.

Fig 6: Identifying Welding Areas (Saloon And Coupe Only)

Courtesy of BMW OF NORTH AMERICA, INC.

Touring only:

Open weld joints in area (1).

Installation:

Weld new components in areas (2) additionally.

Fig 7: Identifying Adhesive Applying Areas (Touring Only)

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Rear parcel shelf of Saloon and Coupe is shown removed for purposes of clarity.

Open weld joints in areas (1) and (2).

Fig 8: Identifying Parcel Shelf Weld Join Areas

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Rear parcel shelf of Saloon and Coupe is shown removed for purposes of clarity.

Open weld joints in area (1).

Installation:

Weld new component in areas (2) additionally.

Fig 9: Identifying Rear Parcel Shelf Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Rear parcel shelf of Saloon and Coupe is shown removed for purposes of clarity.

Mark severance cut (1) centrally and cut.

Cut floor pan and cross-member underneath.

Open weld joints in area (2).

Fig 10: Identifying Severance Cut And Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Mark severance cut (1) in accordance with measurement and cut.

IMPORTANT: Cut outer metal sheet only.

Measurement a=170 mm

Measurement b = 110 mm

Installation:

Weld in REINFORCEMENT PLATES at severance cuts.

Fig 11: Identifying Severance Cuts With Measurements

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Open weld joints in area (2).

Installation:

The cut part is not needed.

Fig 12: Identifying Severance Cuts With Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Open weld joints in area (1).

Mark severance cut (2) in accordance with vehicle and cut.

IMPORTANT: Cut outer metal sheet only.

Fig 13: Identifying Severance Cuts With Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Open weld joints in areas (1).

Fig 14: Identifying Weld Joint Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Open weld joints in area (1).

Installation:

The cut part (2) is not needed.

Fig 15: Identifying Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Open weld joints in area (1).

Mark severance cut (2) in accordance with vehicle and cut.

Fig 16: Identifying Severance Cut And Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Adjust new parts to fit with straightening attachment or universal mount.

Before welding in, also adjust tail panel, rear lid and rear lights to fit.

Weld new components in following order:

(1) Rear axle carrier
(2) Luggage compartment floor, upper section
(3) Support, frame side member
(4) Wheel arch, rear, inner half

Fig 17: Identifying Welding Components

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Rear parcel shelf of Saloon and Coupe is shown removed for purposes of clarity.

Installation:

For reasons of accessibility, the repair joining sequence differs from the standard joining sequence.

Fit new component from above in area (1), adjust to fit and weld.

Fig 18: Identifying New Component Fitting Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Touring only:

Adjust new part (1) with tension strut to fit and weld.

Fig 19: Identifying New Part

Courtesy of BMW OF NORTH AMERICA, INC.