Section 73 (Air Bag Restraint Systems): Diagnostics
WARNING: This page is about a different car, the 2002 BMW 745i and 2002 BMW 745Li. However, it is still accessible from the selected car via links, so may be relevant.
For diagnostic trouble code information, see 1988-2002 AIR BAG TROUBLE CODES article. All air bag system diagnosis must be carried out using proprietary BMW DIS/MoDiC tester.