Crash Severity
Crash Severitynumerous crash and road tests under extreme conditions have been used to set the BMW triggering thresholds for all possible types of accidents. The trigger thresholds are dependent on crash severity.
Crash severity is divided into 4 groups:
^ CS 0: no pyrotechnic restraint systems needed
^ CS 1: light crash
^ CS 2: crash of medium severity
^ CS 3: severe crash