Activating System
WARNING: This page is about a different car, the 2004 BMW 545i, 2004 BMW 530i, and 2004 BMW 525i. 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.