Disabling System
WARNING: This page is about a different car, the 2001 BMW M5, 2001 BMW 540i, 2001 BMW 530i, and 2001 BMW 525i. 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.