41 12 560 Replacing Luggage Compartment Floor (Complete With Both Inner Wheel Arch Sections, 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
(4) Wheel arch, rear, inner half, right
Touring only:
1. (5) Bracket, tension strut, rear (2 x) (not shown)

Fig 1: Identifying Body Parts

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Carry over the work step shown symmetrically to the other side of the vehicle.

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

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Carry over the work step shown symmetrically to the other side of the vehicle.

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

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Carry over the work step shown symmetrically to the other side of the vehicle.

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.

Fig 4: Identifying Measurement From Rear Axle Bushing Mounting

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Open weld joints in area (2).

Installation:

Weld in REINFORCEMENT PLATES at severance cuts.

Carry over the work step shown symmetrically to the other side of the vehicle.

Open weld joints in areas (1).

Fig 5: Identifying Welding Areas

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Saloon and Coupe only:

Carry over the work step shown symmetrically to the other side of the vehicle.

Open weld joints in area (1).

Installation:

Weld new components in areas (2) additionally.

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

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Touring only:

Carry over the work step shown symmetrically to the other side of the vehicle.

Open weld joints in area (1).

Installation:

Weld new components in areas (2) additionally.

Fig 7: Identifying Adhesive Applying Areas (Touring Only)

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

Carry over the work step shown symmetrically to the other side of the vehicle.

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

Fig 8: Identifying Rear Parcel Shelf Welding Areas

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

Carry over the work step shown symmetrically to the other side of the vehicle.

Open weld joints in area (1).

Installation:

Weld new component in areas (2) additionally.

Fig 9: Identifying Rear Parcel Shelf Welding Areas

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Open weld joints in area (1).

Fig 10: Identifying Welding Areas

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Preparation of new part

Carry over the work step shown symmetrically to the other side of the vehicle.

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

IMPORTANT: Cut outer metal sheet only.

Fig 11: Identifying Severance Cuts With Measurements

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Measurement a=170 mm

Measurement b = 110 mm

Installation:

Weld in REINFORCEMENT PLATES at severance cuts.

Preparation of new part

Carry over the work step shown symmetrically to the other side of the vehicle.

Open weld joints in areas (2).

Installation:

The parts separated by cutting are still needed.

Fig 12: Identifying Severance Cuts With Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part

Open weld joints in areas (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

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Preparation of new part

Carry over the work step shown symmetrically to the other side of the vehicle.

Open weld joints in areas (1).

Fig 14: Identifying Weld Joint Areas

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Preparation of new part

Open weld joints in areas (1).

Installation:

The parts (2) separated by cutting are still needed.

Fig 15: Identifying Weld Joint Areas

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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

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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

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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

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Installation:

Touring only:

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

Fig 19: Identifying New Parts

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