64 11 991 Removing and installing/replacing sensor for automatic recirculated air control (build date from 03/2007)
WARNING: This page is about a different car, the 2010 BMW 535xi, 2009 BMW 535xi, and 2008 BMW 535xi. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect plug connection (1).
Unlock sensor (2) in direction of arrow and remove.
Lug (1) must not be damaged.
Installation note:
Make sure sensor is correctly seated in guide (2).