Electric Auxiliary Heater: Notes
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2008 BMW 760Li, and 2007 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
The heating elements of the electric auxiliary heater are integrated into the heating system heat exchanger and directly heat the air drawn in to control the temperature of the air inside the vehicle.