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Home >> BMW >> 2004 >> 745Li >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Intelligent Safety Integration System - Overview >> Intelligent Safety Integration System (ISIS) >> Principle of Operation >> Triggering Strategy >> Frontal Collision CS 2 / CS 3
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Frontal Collision CS 2 / CS 3

The activation of the airbag stages and the belt tension limiter takes place via differentiation of the crash severity with various decelerations on activation.

FRONTAL COLLISION CS 2 / CS 3

Actuators Seatbelt Fastened Seatbelt not Fastened Remarks
Driver airbag stage 1 X X  
Driver airbag stage 2 X X  
Front passenger airbag, stage 1 X X If occupied
Front passenger airbag, stage 2 X X If occupied
Knee airbag, left X X  
Knee airbag, right X X If occupied
Front seatbelt tension limiter, left X    
Front seatbelt tension limiter, right X   If occupied
Seatbelt tensioner, driver X    
Seatbelt tensioner, passenger X   If occupied
Rear seatbelt (end-fitting) tensioner, left (opt). X X If occupied
Rear seatbelt (end-fitting) tensioner, right (opt). X X If occupied
Battery Safety Terminal X X  
Stop electric fuel pump X X  
Emergency phone call X X