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EnglishDriving stability control systems -> DSC Dynamic Stability Control for your BMW i8 2014-2020
Driving stability control systems
CONTROLS
Driving stability control systems
engine speed and by applying brakes to the indi‐
vidual wheels.
Vehicle features and options
To improve traction, the drive type may be
changed, refer to page 58.
This chapter describes all standard, country-spe‐
cific and optional features offered with the series.
It also describes features that are not necessarily
available in your vehicle, for instance, due to the
selected options or country versions. This also
applies to safety-related functions and systems.
When using these functions and systems, the
applicable laws and regulations must be ob‐
served.
General information
DSC detects the following unstable driving con‐
ditions, for instance:
▷ Fishtailing, which can lead to oversteering.
▷ Loss of traction of the front wheels, which
can lead to understeering.
Dynamic Traction Control DTC, refer to
page 149, is a version of the DSC where forward
momentum is optimized.
Anti-lock Braking System ABS
ABS prevents locking of the wheels during brak‐
ing.
Safety information
The vehicle maintains its steering power even
during full brake applications, which increases
the active safety.
Warning
The system cannot serve as a substitute for the
driver’s personal judgment in assessing the
traffic conditions. Based on the limits of the
system, it cannot independently react to all traf‐
fic situations. There is a risk of accident. Adjust
driving style to traffic conditions. Watch traffic
closely and actively intervene where appropri‐
ate.
ABS is ready when vehicle is ready to drive.
Brake assistant
When you apply the brakes rapidly, this system
automatically boosts the vehicle braking capabil‐
ity to the furthest possible extent. It reduces the
braking distance to a minimum during an emer‐
gency stop. This system utilizes all of the capa‐
bilities provided by the Antilock Brake System
ABS.
Overview
Button in the vehicle
Do not reduce the pressure on the brake pedal
for the duration of the emergency stop.
DSC Dynamic Stability Control
Concept
Within the physical limits, the system helps to
keep the vehicle on a steady course by reducing
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Driving stability control systems
CONTROLS
DSC OFF button
The indicator light lights up: DSC is de‐
activated.
Indicator/warning lights
Automatic activation
When DSC is deactivated, automatic activation
occurs in the following situations:
The indicator light flashes: DSC controls
the drive and braking forces.
The indicator light lights up: DSC has
malfunctioned.
▷ The high-voltage battery has an insufficient
charge.
▷ The vehicle has a flat tire.
Deactivating DSC: DSC OFF
General information
▷ When activating cruise control in TRACTION
or DSC OFF mode.
Depending on the operating state of the high-
voltage system, the drive of the vehicle automati‐
cally switches between front-wheel, rear-wheel
and four-wheel drive. If DSC is deactivated, this
may result in automatic change of the drive type
for unstable driving situations.
DTC Dynamic Traction Control
Concept
DTC is a version of the DSC Dynamic Stability
Control where forward momentum is optimized.
When DSC is deactivated, driving stability is re‐
duced during acceleration and when driving in
curves.
The system ensures maximum headway on spe‐
cial road conditions or loose road surfaces, for in‐
stance unplowed snowy roads, but with some‐
what limited driving stability.
To increase vehicle stability, activate DSC again
as soon as possible.
When DTC is activated, the vehicle has maxi‐
mum traction. Driving stability is limited during
acceleration and when driving in curves.
Deactivating DSC
Press and hold this button but not lon‐
ger than approx. 10 seconds, until the
indicator light for DSC OFF lights up in the in‐
strument cluster and displays DSC OFF.
Drive carefully.
You may find it useful to briefly activate DTC un‐
der the following special circumstances:
▷ When driving in slush or on uncleared, snow-
covered roads.
DSC is switched off.
▷ When driving off from deep snow or loose
ground.
Activating DSC
Press the button.
▷ When driving with snow chains.
DSC OFF and the DSC OFF indicator
light go out.
Deactivating/activating DTC Dynamic
Traction Control
Indicator/warning lights
When DSC is deactivated, DSC OFF is displayed
in the instrument cluster.
Activating DTC
Press the button.
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