Deployed Air Bag Module & ETR Unit
WARNING: This page is about a different car, the 2000 BMW M5, 2000 BMW 540i, 2000 BMW 528i, 1999 BMW 540i, and 1999 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.
Deployed air bag modules and ETR units are not classified as hazardous material; dispose of them like any other part.