65 77... Overview of sensors for airbag system

Fig 1: Identifying Airbag System Sensors

Courtesy of BMW OF NORTH AMERICA, INC.

1. AIRBAG CONTROL UNIT  (under center console)
2. Sensor, B-pillar (left/right): see 65 77 720 REMOVING AND INSTALLING/REPLACING LEFT B-PILLAR SENSOR  or 65 77 725 REMOVING AND INSTALLING/REPLACING RIGHT B-PILLAR SENSOR .
3. Sensor, front door (left/right, US version only): see 65 77 740 REMOVING AND INSTALLING (REPLACING) LEFT FRONT DOOR SENSOR  or 65 77 745 REMOVING AND INSTALLING/REPLACING RIGHT FRONT DOOR SENSOR .
4. Acceleration sensors, front (left/right, US version only): see 65 77 532 REMOVING AND INSTALLING/REPLACING FRONT LEFT ACCELERATION SENSOR (US VERSION ONLY)  or 65 77 534 REMOVING AND INSTALLING/REPLACING FRONT RIGHT ACCELERATION SENSOR (US VERSION ONLY) .