Description & Operation
WARNING: This page is about a different car, the 2004 BMW 760i, 2004 BMW 760Li, 2004 BMW 745i, and 2004 BMW 745Li. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Accidental air bag deployment is possible. Personal injury may result. Read and follow all WARNINGS and AIR BAG SAFETY PRECAUTIONS
before working on air bag system or related components.
The Supplemental Restraint System (SRS), also known as air bag system, is designed to provide increased accident protection for driver and passengers by deploying front air bags, knee air bags and seat belt pretensioners in a front-end collision, and side air bags and head air bags when side impact is detected.
Main components of the air bag system include central gateway module, safety and information module, A- and B-pillar sensors, front door sensor, front seat sensor, vehicle center sensor, rear seat sensor, driver-side air bag module, passenger-side air bag module, knee air bag modules, side air bag modules, head air bag modules, seat belt pretensioners, AIR BAG warning light and contact ring (clockspring).