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Dynamic Stability Control (DSC) – BMW 325xi
The concept
DSC maintains vehicle stability, even in
critical driving situations.
The system optimizes vehicle stability
during acceleration and when starting
from a full stop, as well as optimizing
traction. In addition, it recognizes
unstable vehicle conditions, such as
under- or oversteering, and, as far as is
possible within the laws of physics,
helps keeping the vehicle on a steady
course by reducing the engine speed
and brake applications to the individual
wheels.
DSC is operational every time you start
the engine. DSC includes the functions
of ADB-X and CBC.
The Automatic Differential Brake
(ADB-X) enhances traction in critical
situations (such as those encountered
on snow-covered roads) by using
selective braking intervention to replace
the limited-slip functions executed by
the differential and transfer case in
conventional drivetrains.
Indicator lamp
The indicator lamp in the instru-
ment cluster will go out shortly
after the ignition has been
switched on, refer to pages 18, 19.
The indicator lamp flashes:
DSC controls the drive and braking
forces.
The indicator lamp stays lit:
DSC has been switched off via the
button; ADB-X is operational.
ADB-X control intervention is not indi-
cated.
If the indicator lamp fails to go out
when you press the DSC button,
this indicates a malfunction in the DSC
and ADB-X systems; the stability
enhancement functions described on
the left are no longer
available.<
The vehicle will remain completely
operational, however, without DSC. In
the event of a malfunction, please
consult your BMW center, refer to
pages 18, 19.
To deactivate DSC
Press the DSC button briefly, the indi-
cator lamp comes on and remains lit.
DSC is switched off, and ADB-X reverts
to its maximum torque-transfer mode.
In the following exceptional circum-
stances, it may be effective to deacti-
vate the DSC for a short period:
> When rocking the vehicle or starting
off in deep snow or on loose surfaces
> When driving with snow chains.
To maintain vehicle stability,
always drive with the DSC
switched on whenever
possible.<
Online Edition for Part No. 01 41 0 156 156 - © 09/01 BMW AG
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