Installing the wheel arch

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.

Clean bonding surfaces with cleaning agent R1.

Apply adhesive K1 to bonding surfaces.

Install new parts using an alignment bracket or universal mount.

Using blind rivets, rivet new parts in the areas where the rivets are fitted with adhesive N2.

Apply sealant to CAVITY SEALING for the carrier support of the wheel arch.

Weld new parts identically to the series in the other gap areas.

MAG-weld new part in area (1).

To do so, apply 2 fillet welds at distance of approx. 20 mm. Length of fillet welds approx. 15 mm.

Fig 1: Identifying Component MAG-Welding Area

Courtesy of BMW OF NORTH AMERICA, INC.

MAG-weld new part in areas (1).

To do so, apply 10 mm long fillet welds at spacing of 15 mm.

Fig 2: Identifying Component MAG-Welding Area

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The bulkhead cross member (1) is filled with low-flammable cavity foam.
In case of smoke formation, stop the welding procedure and cool the welded area with compressed air if applicable.

Fig 3: Identifying Bulkhead Cross Member

Courtesy of BMW OF NORTH AMERICA, INC.