Removing the cover on left and right in the engine compartment at the top

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

Remove the cover in the engine compartment on top

Detach the gasket (1) in the area of the cover (2) .
Loosen the expanding rivet (3) .
Guide out and remove the cover (2) in the area (4) .

Courtesy of BMW OF NORTH AMERICA, INC.