Disabling System
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 BMW M3, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2005 BMW 325xi. However, it is still accessible from the selected car via links, so may be relevant.
Before proceeding, see AIR BAG SAFETY PRECAUTIONS . If equipped with MK3 navigation system, turn ignition off and wait one minute for system to complete power-down procedure. On all models, retrieve and record any fault codes. Obtain radio anti-theft code. Record programmed radio stations. Ensure ignition is off. Disconnect and shield the negative battery cable. Wait at least 5 seconds before servicing vehicle.