51 11 Removing and installing/replacing the air inlet frame for the left or right brake ventilation duct (Cooper S)

Removal: 

Unclip the frame (1).

Fig 1: Locating Frame Clip

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Installation: 

Clip in the frame (1).

Detents on frame (1) must not be damaged.

Fig 2: Locating Frame Clip

Courtesy of BMW OF NORTH AMERICA, INC.