BMW 5 Series Owners & Service Manuals

BMW 5 Series: Control units on the Ethernet

Active Cruise Control (ACC) Long Range Radar (LRR) sensor

Control Units
Active Cruise Control ACC Long Range Radar (LRR) sensor

The control unit for active cruise control for ACC Stop & Go contains a radar-based sensor for sensing the area in front of the vehicle. Both the near and far ranges are monitored by this sensor.

Rear view camera (RFK)

Control Units
Reversing camera

On vehicles with a rear view camera only, the rear view camera is connected to the Ethernet.

Top Rear Side View Camera (TRSVC)

Control Units
Top Rear Side View Camera (TRSVC)

The control unit Top Rear Side View Camera receives the picture information from the following cameras:

  • Front camera
  • Exterior mirror camera, left
  • Exterior mirror camera, right
  • Rear view camera

The cameras are connected to the TRSVC via Ethernet.

Camera-based driver support systems (KAFAS)

The control unit camera-based driver support systems (KAFAS) is required for the following optional equipment:

Control Units
Camera-based driver support systems (KAFAS)

  • Camera-based cruise control with Stop & Go function
  • Traffic Jam Assist
  • Speed limit information
  • Person recognition with city braking function
  • Collision warning with city braking function


     Control units on the PT-CAN

    Digital Motor Electronics (DME, DME2) Digital Motor Electronics DME and DME2 The illustration shows the DME and DME2 control units. The DME control unit is on the left side (seen in the direction of

     Control units on the PT-CAN2

    Electronic transmission control (EGS) Electronic transmission control (EGS) Gear selector switch (GWS) Gear selector switch (GWS) The gear selector switch (GWS) is used for selecting a drive positio

     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 situati


     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 front sensors on the left and right assist with the identification of a head-on crash. The sensors d

     Tire inflation pressure

    General information The tire characteristics and tire inflation pressure influence the following: The service life of the tires. Road safety. Driving comfort. Fuel consumption. Safety information Warning A tire with too little or no tire inflation pressure may heat up significantly and sustain

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