Driver-Side Air Bag Module
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2001 BMW Z3, 2001 BMW M3, 2001 BMW M Roadster, 2001 BMW M Coupe, and 2001 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.
Driver-side air bag module consists of an inflatable air bag, gas generator and ignitor. The gas generator and ignitor make up the inflator unit, which is mounted permanently to back of air bag module.
Air bag module consists of an inflatable air bag, 2 gas generators and 2 igniters. Air bag fully inflates in about 35 milliseconds. Gas is then released through a filtered vent on the side of the air bag, causing it to deflate