BMW 5 Series Owners & Service Manuals

BMW 5 Series: Bus overview

Bus overview
Bus overview

ACC - Active Cruse Control also known as Long Range Radar sensor (LRR)
ACSM - Advanced Crash Safety Module
AMPT - Top HiFi amplifier
ASD - Active Sound Design
BDC - Body Domain Controller
CON - Controller
DME - Digital Motor Electronics
DME2 - Digital Motor Electronics 2
DSC - Dynamic Stability Control
EARSH - Electric active roll stabilization rear
EARSV - Electric active roll stabilization front
EGS - Electronic transmission control
EPS - Electromechanical Power Steering
FBD - Remote control receiver
FLA - High-beam assistant
FLER - Frontal Light Electronics Right
FLEL - Frontal Light Electronics Left
FZD - Roof function center
GWS - Gear selector
HEADUNIT - Head Unit
HKFM - Trunk function module
HSR - Rear axle slip angle control
IHKA - Integrated automatic heating / air conditioning
KAFAS - Camera-based driver support systems
KOMBI - Instrument panel
LEM - Light Effect Manager
NVE - Night Vision Electronics
PCU - Power Control Unit
PMA - Parking Maneuver Assistant
RFK - Reverse camera
RSE - Rear Seat Entertainment
RSL - Radar Sensor, Left (Evasion Aid)
RSR - Radar Sensor, Right (Evasion Aid)
SAS - Optional equipment system
SMBF - Seat module, passenger
SMFA - Seat module, driver
SPNMVL - Seat pneumatics module front left
SPNMVR - Seat pneumatics module front right
SWW - Lane change warning (primary) also known as the Short Range Radar Sensor (SRR)
SWW2 - Lane change warning (secondary) also known as the Short Range Radar Sensor (SRR2)
TCB - Telematic Communication Box
TRSVC - Top rear side view camera
VDP - Vertical Dynamic Platform
VTG - Transfer case
WCA - Wireless charging tray
ZGM - Central Gateway Module

  1. Start-up node control units for starting and synchronizing the FlexRay bus system
  2. Control units with wake-up authorization
  3. Control units also connected at terminal 15 WUP


     Main bus systems

    K-CAN In the G30 the following K-CAN's are used: K-CAN2 K-CAN3 K-CAN4 K-CAN5 The control units on the K-CAN5 are not displayed in the bus overview by the BMW diagnosis system ISTA. Diagnosis is


    On the G30 the 2-wire OABR Ethernet (OPEN Alliance BroadR-Reach) from the G12 is used. The Ethernet variant with 5 lines (4 data lines and 1 activation line) is still used on the G30 by the OBD2 in

     Sub-bus systems

    LIN-Bus For a better overview, the LIN buses are divided up between several wiring diagrams for the G30. LIN bus overview in the door area LIN-Bus Body Domain Controller (BDC) Exterior mirror, fr



    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

     Functions of the Advanced Crash Safety Module

    The function of the Advanced Crash Safety Module is to permanently evaluate all sensor signals in order to identify a crash situation. Based on the sensor signals and their evaluation, the Advanced Crash Safety Module (ACSM) identifies the direction of the crash and the severity of the impact. T

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