64 11 939 Replacing temperature sensor for heater (in cover for heating element)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
Remove heating controls. See 64 11 750 Removing and installing heating control (heater)
If necessary, remove on-board monitor.
Disconnect plug connection (1).
Remove temperature sensor (2).