61 31 192 Replacing knob for controller

Detach knob for controller (1) in direction of arrow.

Fig 1: Removing Knob For Controller

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Fit knob for controller (1) so that guides (2) are seated in mountings (3).

Press knobs for controller (1) in middle until it engages.

Fig 2: Identifying Guides In Knob For Controller

Courtesy of BMW OF NORTH AMERICA, INC.