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 Welded Joints Area And Sill Section

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): 5 bore holes

Area (2): 4 holes

F02 only: 

In area (1) 6 holes

Fig 2: Identifying Blind Rivets Bore Holes Areas

Courtesy of BMW OF NORTH AMERICA, INC.

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

Area (1): 3 holes

Area (2): 1 bore holes

Remove new part again and deburr bore holes.

Fig 3: Identifying Blind Rivets Bore Holes Area

Courtesy of BMW OF NORTH AMERICA, INC.