System Operation Check
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.
Turn ignition switch to ON position. AIR BAG warning light should illuminate for 6-10 seconds then turn off. If AIR BAG warning light illuminates for 6-10 seconds and turns off, then illuminates again or remains illuminated, a fault in air bag system has been detected. If AIR BAG warning light illuminates while operating the vehicle, fault in air bag system has been detected. If AIR BAG warning light fails to illuminate, this indicates bulb or wiring is faulty.