Removing the unfiltered-air duct on the right and left

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Loosen screw (1) .
Release the detents of the unfiltered-air duct (3) at the front on the air duct (arrows).
Feed out the unfiltered-air duct (2) and remove it.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1).
Release the detents of the unfiltered-air duct (3) at the front on the air duct (arrows).
Feed out the unfiltered-air duct (2) and remove it.

Courtesy of BMW OF NORTH AMERICA, INC.