64 11 207 Replacing Heating Element (Basic Automatic A/C)
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
Remove heater (Basis automatic A/C) . See 64 11 205 REMOVING AND INSTALLING/REPLACING HEATER .