61 31 192 Replacing knob for controller
WARNING: This page is about a different car, the 2005 BMW 545i and 2004 BMW 545i. However, it is still accessible from the selected car via links, so may be relevant.
Detach knob for controller (1) in direction of arrow.
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.