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Home >> BMW >> 2013 >> 535i GT >> Repair and Diagnosis >> Collision >> Body Panels >> COLLISION - BODY PANEL REPAIR (F07) (GT Sedan) (535i GT) >> Luggage Compartment Floor >> 41 12 535 Replace Luggage Compartment Floor And Both Side Members (Tail Panel Trim Removed) >> New part preparation

New part preparation

Luggage compartment floor, left:

Mark severance cut (1) in accordance with severance cut on vehicle + 15 mm extra material and cut.

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

Open weld joints in area (3) and remove sheet section.

Fig 1: Identifying Left Luggage Compartment Floor Severance Cut And Welded Joint Area
G08423667Courtesy of BMW OF NORTH AMERICA, INC.

Luggage compartment floor, right:

Mark severance cut (1) in accordance with severance cut on vehicle + 15 mm extra material and cut.

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

For all severance cuts on side members, prepare REINFORCEMENT PLATES .

Fig 2: Identifying Right Luggage Compartment Floor Severance Cut
G08423668Courtesy of BMW OF NORTH AMERICA, INC.

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

Flatten stamping in area (1) on both sides.

Fig 3: Identifying Stamping Area
G08423669Courtesy of BMW OF NORTH AMERICA, INC.

Luggage compartment floor, middle:

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

Set down new part in the areas of the overlap.

Adjust luggage compartment floor in combination with cross member and tail panel fit and secure.

Fig 4: Identifying N3 Blind Rivets Bore Hole Areas
G08423670Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) to (3), set 4.2 mm diameter bore holes for blind rivets N3:

Area Number
1 8
2 5
3 6

In areas (1) and (2) set 4.2 mm dia. holes for blind rivets.

Area Number
1 2
2 7
Fig 5: Identifying Blind Rivets Bore Area
G08423671Courtesy of BMW OF NORTH AMERICA, INC.

In areas (1) and (2) set holes for blind rivets.

Area (1): 2 bore holes with dia. 6.8 mm for blind rivets N1.

Areas (2): in each case 4 bore holes with dia. 4.2 mm for blind rivets N3.

Prepare new parts for MAG welding in areas (3).

Remove new parts and deburr bore holes.

Fig 6: Identifying MAG Welding Area, Blind Rivets N1 And N3 Bore Hole Areas
G08423672Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Do not grind new parts and body in area of bonding surfaces.