Activating System
WARNING: This page is about a different car, the 2004 BMW 760i, 2004 BMW 760Li, 2004 BMW 745i, and 2004 BMW 745Li. However, it is still accessible from the selected car via links, so may be relevant.
Ensure ignition is off. Connect negative battery cable. Perform system operation check. See SYSTEM OPERATION CHECK . Reprogram radio and set clock. On some vehicles, infrared locking system keys must be recoded, power windows and slide/tilt sunroof must be initialized.