BMW R 1200R 2015 Rider's Manual page 101

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the driving stability is ensured.
After detecting the actual con-
ditions, the system adjusts the
optimum brake pressure.
In what ways is the ABS
noticeable to the rider?
If the ABS system has to reduce
the braking force due to the con-
ditions described above, then
vibrations can be felt through the
handlebar 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 lever is
first actuated after this, the brake
pressure already built up can be
felt earlier than the counter-pres-
sure, than when the footbrake
lever 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 ABS cannot pre-
vent the rear wheel from lifting
off the ground. In these cases,
the motorcycle 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
always be relied on to prevent
the rear wheel from lifting off the
ground.
What are the design
characteristics of the
ABS?
The ABS ensures driving sta-
bility on any surface within the
limits of driving physics. The sys-
tem is not optimized for special
requirements resulting under ex-
treme weather conditions on the
racetrack. Handling should be
adopted to driving skills and road
conditions.
Special situations
To detect the tendency of the
wheels to lock up, the speeds
of the front and rear wheel are
compared. If the system regis-
ters implausible data for an ex-
tended period of time it will de-
activate the ABS as safety pre-
caution and a display will alert
you to an ABS error. A self-diag-
nosis routine must be completed
before the error will be displayed.
Apart from problems on the ABS
, unusual riding conditions can
also cause a fault message to be
generated.
Heating up on the main or ad-
ditional stand at idle or with
gear engaged
Rear wheel locked-up for an
extended period by engine
7
99
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