BMW 5 Series Owners & Service Manuals

BMW 5 Series: Advanced Crash Safety Module, Sensors and switches

BMW 5 Series G30 2016-2025 Training Manual / Passive Safety Systems / System Components / Advanced Crash Safety Module, Sensors and switches

Advanced Crash Safety Module

The Advanced Crash Safety Module (ACSM) in the G30 is located centrally in the vehicle under the center console between the two front seats. The central sensor system is integrated in the Advanced Crash Safety Module (ACSM).

System Components
G30 Advanced Crash Safety Module (ACSM)

Sensors and switches

The following sensors and switches are installed in the G30:

  • Lateral and longitudinal acceleration sensors in ACSM
  • Yaw rate sensor in the ACSM
  • Vertical acceleration sensor in the ACSM
  • Lateral and longitudinal acceleration sensors in the B-pillars
  • Airbag sensors (pressure) in the front doors
  • Airbag front sensors on the engine supports
  • Seat occupancy mat for seat belt warning
  • CIS mat with passenger classification
  • Seat belt buckle switch
  • Seat-position sensor, driver and front passenger
  • Switch for front passenger airbag deactivation

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     Lateral and longitudinal acceleration sensor, B-pillar

    The lateral and longitudinal acceleration sensors assist with the identification of head-on crashes, side-on crashes and rear-end crashes. The airbag sensor consists of a longitudinal acceleration s

     Airbag front sensor

    Two airbag front sensors are installed in the front area of the engine supports. The measured values are forwarded to the Advanced Crash Safety Module (ACSM) where they are evaluated. The airbag fr

     Seat belt buckle switch

    The seat belt buckle switches are located in the seat belt buckles of the driver and front passenger seat. European version vehicles are additionally equipped with seat belt buckle switches on the r

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     Control units on the FlexRay

    Advanced Crash Safety Module (ACSM) Advanced Crash Safety Module (ACSM) The function of the Advanced Crash Safety Module (ACSM) is to evaluate all sensor signals in order to identify a crash situation. The ACSM evaluates the information from the sensors and then forwards corresponding measures fo

     Malfunction

    Message The yellow warning light flashes and is then illuminated continuously. A Check Control message is displayed. It may not be possible to identify tire pressure losses. Measure A wheel without TPM wheel electronics, such as an emergency wheel, is mounted: have the wheels checked, if needed

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