New part preparation

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

Mark new luggage compartment floor part in accordance with severance cuts on vehicle + 15 mm extra material and cut.

Flatten stampings (1) on both sides.

Fig 1: Identifying Middle Section Luggage Compartment Floor Stampings Area

Courtesy of BMW OF NORTH AMERICA, INC.

Set down new part in the areas of the overlap.

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

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

Fig 2: Identifying Middle Luggage Compartment Floor Blind Rivets N3 Bore Holes Position

Courtesy of BMW OF NORTH AMERICA, INC.

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 3: Identifying Blind Rivets Holes Areas

Courtesy 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 4: Identifying Blind Rivets Holes Areas And MAG Welding Areas

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not grind new parts and body in area of bonding surfaces.