Preparation of new part

Mark severance cuts on the new part according to vehicle and cut.

Prepare REINFORCEMENT PLATES (bonded) at all severance cuts.

Separate weld joints in area (1) from inside.

Remove sill section (2).

Fig 1: Identifying Sill Section And Welded Connection Area

Courtesy of BMW OF NORTH AMERICA, INC.

Adjust new part to fit and secure.

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

Area (1): 4 bore holes

Area (2): 4 bore holes

Fig 2: Identifying Blind Rivets Bore Hole Area

Courtesy of BMW OF NORTH AMERICA, INC.

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

Area (1): 2 bore holes

Area (2): 7 bore holes

Remove new part again and deburr bore holes.

Fig 3: Identifying Blind Rivets Bore Hole Area

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not grind/sand new part in area of bonding surfaces.