Sensor. Impact.
A Sensor to determine the location on the vehicle of Impact and the severity of the Impact to determine if and which air bags should be deployed. B - pillar. Air Bag. Decel. Pressure. Side.
Air Bag Impact Sensor
2 Series; B-Pillar. 230i, 230i xDrive; B-Pillar. 3 Series GT; B-Pillar. 3 Series; B-Pillar. 330i xDrive; B-Pillar. 4 Series; B-Pillar. 430i, 430i xDrive; B-Pillar. 430i, 430ix, 440i, 440ix; B-Pillar. 440i, 440i xDrive; B-Pillar. M2; B-Pillar. M240i, M240i xDrive; B-Pillar. M3, M4; B-Pillar. M4; B-Pillar. MODULES & SENSORS, 2014-21. MODULES & SENSORS, center pillar. MODULES & SENSORS, lock pillar. SEDAN, MODULES & SENSORS, center pillar. Sedan/Wagon, MODULES & SENSORS, center pillar.
Air Bag Crash Sensor - Repair or Replace
An airbag or SRS light can sometimes indicate a problem with the impact sensor on your , particularly if it's been involved in a collision—at any speed. Have a technician inspect your vehicle's crash sensor.