Removal of outer wheel arch section

Cut wheel arch along line (1).

REPLACE CAVITY SEALING  (2).

Fig 1: Identifying Wheel Arch And Cavity Sealing

Courtesy of BMW OF NORTH AMERICA, INC.

Cut wheel arch along line (1).

OPEN  spot-welded adhesive joints in area (2).

Remove section for outer wheel arch section.

Fig 2: Identifying Wheel Arch Line, Spot-Welded Adhesive Joints Area And Severance Area

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation of new part: 

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