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ditions, the system adjusts the
optimum brake pressure.
How is the BMW Motorrad
Integral ABS noticeable to
the rider?
If the ABS system must reduce
the braking forces due to the
conditions described above, then
vibrations can be felt at the hand-
brake lever.
If the handbrake lever is pulled,
then braking pressure is built up
at the rear wheel with the integral
function. If the footbrake pedal is
first actuated after this, the brake
pressure already built up can be
felt earlier than the counter-pres-
sure, than when the footbrake
pedal is actuated before or to-
gether with the handbrake lever.
Lifting off rear wheel
However, during extremely heavy
and rapid decelerations it is pos-
sible that the BMW Motorrad In-
tegral ABS cannot prevent the
rear wheel from lifting off the
ground. In these cases, the mo-
torcycle can also flip end over
end.
Heavy braking can lead to
the rear wheel lifting off the
ground.
When braking, bear in mind that
the ABS control cannot be relied
on in all circumstances to prevent
the rear wheel from lifting off the
ground.
What are the design
characteristics of the
BMW Motorrad Integral
ABS?
The BMW Motorrad Integral ABS
ensures driving stability on any
surface within the limits of driving
physics. The system is not op-
timized for special requirements
resulting under extreme weather
conditions offroad or on the race-
track.
Special situations
To detect the tendency of the
wheels to lock up, the speeds
of the front and rear wheel are
compared. If implausible values
are detected over a longer period
of time, the ABS function is de-
activated for safety reasons and
an ABS fault is indicated. The
condition for a fault message is
the completed self-diagnosis.
In addition to problems on the
BMW Motorrad Integral ABS,
6
79
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