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41 12 535 Replacing Luggage Compartment Floor And Both Side Members (Tail Panel Removed)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Read contents of SAFETY INFORMATION  and BODY, GENERAL .

STRIP DOWN VEHICLE 

Place vehicle on straightening bench.

Procedure OBSERVE  repair stage 3!

The following new body parts are required:

Following CONSUMABLES  are required:

Fig 1: Identifying Wheel Arch, Side Members, And Luggage Compartment Floor
G04791227Courtesy of BMW OF NORTH AMERICA, INC.
Material Quantity
Adhesive K5b 1
Blind rivet N3 24
Blind rivet N6 16
EMC screws 8
Cleaning agent R1 1
Sealant D1  

Removal 

Most of operation is described on the left side. Right side identical.

Open welded connections in area (1).

Fig 2: Identifying Welded Connections Area
G04791228Courtesy of BMW OF NORTH AMERICA, INC.

LOOSEN  spot-welded adhesive joints in area (1).

NOTE: Side wall hidden for purposes of clarity.
Fig 3: Identifying Spot-Welded Adhesive Joints Area
G09959952Courtesy of BMW OF NORTH AMERICA, INC.

Open welded connections in area (1).

Remove middle lashing rail mounting (2).

Fig 4: Identifying Middle Lashing Rail Mounting And Welded Connections Area
G04791230Courtesy of BMW OF NORTH AMERICA, INC.

View from below:

Open spot-welded adhesive joints in area (1)

Open welded connections in areas (2).

Fig 5: Identifying Spot-Welded Adhesive Joints Area And Welded Connection Areas
G09959954Courtesy of BMW OF NORTH AMERICA, INC.

Mark severance cut (1) in accordance with Dimension "a" and cut.

Dimension "a" = 10 mm

Open welded connections in area (2).

Fig 6: Identifying Cutting Dimension And Welded Connections Area
G04791232Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 7: Identifying Severance Cut Mark
G04791233Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part: 

Mark side member new parts in accordance with severance cuts on vehicle and cut.

Adjust side member new parts to fit with alignment bracket or universal mount and with tail panel.

Prepare REINFORCEMENT PLATES  at severance cuts on side members.

Most of operation is described on the left side. Right side identical.

Put middle luggage compartment floor in position from below and adjust in combination with the tail panel.

Prepare new part for plug-welding in areas (1) and (2). Note double number of welding spots in area (1).

Fig 8: Identifying Plug-Welding Areas
G09959957Courtesy of BMW OF NORTH AMERICA, INC.

Adjust luggage compartment floor to fit and secure.

In areas (1) to (3), set 4.2 mm diameter bore holes for blind rivets.

Area Number
1 1
2 1
3 3
Fig 9: Identifying Blind Rivet Bore Hole Areas
G09959941Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (3), set 4.2 mm diameter bore holes for blind rivets.

Area Number
1 4
2 4
3 1
Fig 10: Identifying Blind Rivet Bore Hole Areas
G09959959Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (3), set 4.2 mm diameter bore holes for blind rivets.

NOTE: Side wall and tail panel have been hidden for clarity.
Area Number
1 2
2 3
3 1
Fig 11: Identifying Blind Rivet Bore Hole Areas
G09959942Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Do not grind new part and body in area of bonding surfaces.

Installation of side member and middle luggage compartment floor 

Install new parts and reinforcement plates with alignment bracket or universal mount and weld.

Installing luggage compartment floor 

Clean all  bonding surfaces on new part and on vehicle with cleaning agent R1 .

Apply adhesive on all bonding and riveting surfaces.

When installing, make sure that all bonding surfaces have sufficient adhesive.

Install new parts and rivet with blind rivets.

In areas (1) to (3), rivet new part with blind rivets.

Area Blind rivet
1 N6
2 N6
3 N3
Fig 12: Identifying Blind Rivet Bore Hole Areas
G09959941Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (3), use blind rivet N3/N6.

Area Blind rivet
1 N6
2 N6
3 N3
Fig 13: Identifying Blind Rivet Bore Hole Areas
G09959942Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (3), use blind rivet N3/N6.

Fit an EMC SCREW  after adhesive has hardened in area (3).

Area Blind rivet
1 N3
2 N3
3 N6
Fig 14: Identifying Blind Rivet Bore Hole Areas
G09959959Courtesy of BMW OF NORTH AMERICA, INC.

After hardening of adhesive install 2 EMC screws in areas (1) and (2).

Fig 15: Identifying EMC Screw Installation Areas
G09959947Courtesy of BMW OF NORTH AMERICA, INC.

Fit an EMC screw after adhesive has hardened in area (1).

NOTE: Side wall hidden for purposes of clarity.
Fig 16: Identifying EMC Screw Installation Area
G09959948Courtesy of BMW OF NORTH AMERICA, INC.