BMW 5 Series: Driving Stability Control
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FlexRay bus overview in the G30
ACSM - Advanced Crash Safety Module
DSC - Dynamic Stability Control
EARSV - Electric active roll stabilization front
EARSH - Electric active roll stabilization rear
EPS - Electromechanical Power Steering
HSR - Rear axle slip angle control
SAS - Optional equipment system
VDP - Vertical Dynamic Platform
VTG - Transfer case
As is already familiar from the G12, the G30 does not have Integrated Chassis Management (ICM). The ICM functions are distributed between the optional equipment system (SAS) and the Dynamic Stability Control (DSC).
It has been possible to further improve the driving dynamics in the G30 by selective use of various control functions. This is particularly keenly felt in relation to the steering behavior, the traction and the vehicle's stability.
The control units necessary to meet the requirements on driving dynamics are located on the FlexRay bus. This allows them to quickly exchange their information with each other and react to events.
The following actuators are activated as needed:
- Rear axle slip angle control HSR (optional equipment)
- Electronic Power Steering EPS (standard equipment)
- DME engine control unit
- VTG transfer case (optional equipment)
- Electric active roll stabilization at the front and rear (EARSV/EARSH) (optional equipment)
- Electronic Damper Control (EDC) (optional equipment)
The tables below provide an overview of the various control functions and their effects on the drivability.
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Dynamic Stability Control (DSC)
Alongside the Vertical Dynamics Platform (VDP) control unit, the Dynamic
Stability Control (DSC)
represents the core element of the driving dynamics control systems used to
increase active safety. I
Steering
The G30 has Electronic Power Steering (EPS) in the following different
versions:
Standard steering 12 V
Integral Active Steering 12 V
Integral Active Steering 24 V
Overview of equipment specific
Electric Active Roll Stabilization (EARS)
System overview of electric active stabilization in the G30
Electric active roll stabilization front (EARSV)
Front right vertical acceleration sensor
Auxiliary battery in the engine compartment
SEE MORE:
Tire selection: special sizes
Special sizes (special approval) which are not listed in the menu must be
entered by selecting "Other
tires".
Entering tire special sizes in the electronic tire pressures label on the G30
Special approval (special sizes)
Other tires
Perform reset
Note that reset possible only when stationary
Control units on the Ethernet
Active Cruise Control (ACC) Long Range Radar (LRR) sensor
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
