64 11 794 Removing and installing/renewing controller for rear cabin fan
WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
Unlock catch (1) and at same time slide controller (3) in direction of arrow in downward direction.
Remove controller (3) from rear cabin fan housing (4).
Unfasten plug connection (2) and disconnect.