Removing both front wheel arch covers (front section)

NOTE: Description is for left component only. Procedure on the right side is identical.

Remove the front section of the front wheel arch cover

NOTE: To provide a better overview: Schematic diagram with partially hidden components.

Courtesy of BMW OF NORTH AMERICA, INC.

Remove screws (arrows).
Remove and extract front section (1) of the front wheel arch cover together with the brake ventilation duct (2).
For replacement:
Loosen screw (1).

Remove brake ventilation duct (2).

Courtesy of BMW OF NORTH AMERICA, INC.