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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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
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
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:
Body Domain Controller (BDC)
Body Domain Controller (BDC)
BDC functions
The Body Domain Controller BDC is responsible for the following functions:
Gateway
Electronic immobilizer
Terminal control
Central locking system
Exterior lights
Power windows
Horn
Interior light
Wash/wipe system
Veh
Concept
Teleservices are services that help to maintain
vehicle mobility.
General information
The offering depends on the equipment version
of the vehicle and the country-specific variant.
For further information on the available services,
the vehicle manufacturer recommends contacting
a service ce