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and the lateral acceleration are
used to determine the inclination
of the motorcycle.
With an increasing inclination, the
braking pressure gradient is in-
creasingly limited at the start of
braking. This results in a slower
pressure buildup. In addition, the
pressure modulation in the range
of the ABS control is more uni-
form.
Advantages for the rider
The advantages of ABS Pro for
the rider are sensitive response
and high braking and riding sta-
bility with the best possible de-
celeration, even in curves.
Traction control (ASC/
DTC)
How does traction control
work?
Traction Control is available in
two versions
Without taking the angle into
account: Automatic Stability
Control ASC
ASC is a rudimentary function
intended to prevent falls.
With taking the angle into ac-
count: Dynamic Traction Con-
trol DTC
The additional inclined posi-
tion and acceleration informa-
tion enables the DTC to make
more precise and comfortable
adjustments.
The traction control compares
the speeds at the perimeters of
the front and rear wheel. The
slip, and with it the stability re-
serves at the rear wheel, are de-
termined from the speed differ-
ence. The engine management
system adapts the engine torque
when the slip limit is exceeded.
BMW Motorrad ASC/DTC is
designed as an assistance sys-
tem for the rider and for riding
on public roads. The extent to
which the rider affects ASC/
DTC control can be considerable
(weight shifts when cornering,
loose luggage on the motorcy-
cle), especially when approaching
the limits imposed by the laws of
physics.
The Enduro riding mode should
be activated for off-road riding.
In this mode, the controlling in-
tervention by the ASC/DTC is
carried out later, enabling con-
trolled drifting.
The system is not optimized for
the special conditions encoun-
tered under extreme weather
during off-road and race-track
use. BMW Motorrad ASC/DTC
8
145
z
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