activated for safety reasons and
an ABS error is indicated. The
condition for a fault code is the
completed self-diagnosis.
Unusual driving conditions can
lead to a fault code as well:
Driving on the rear wheel
(wheelie) for a longer period.
Rear wheel spinning in place
with front brake engaged (burn
out).
Heating up on the main or aux-
iliary stand at idle or with gear
engaged.
Locked-up rear wheel for a
longer period of time, e.g.
when riding downhill offroad.
Should a fault code occur due to
an unusual driving condition, the
ABS function can be reactivated
by switching the ignition off and
then on again.
How important is regular
maintenance?
WARNING
Failure to have maintenance
performed on the brake sys-
tem regularly.
Accident hazard
To ensure that the
BMW Motorrad ABS is in a
properly maintained condition,
it is vital that the specified
service intervals are kept to.
Reserves for safety
But remember: the potentially
shorter braking distances which
BMW Motorrad ABS permits
must not be used as an excuse
for careless riding. ABS is pri-
marily a means of ensuring a
safety margin in genuine emer-
gencies.
WARNING
Braking in curves.
Accident hazard despite ABS.
The rider is always responsi-
ble for adapting his/her driving
style.
Do not reduce the additional
safety function with careless
riding or unnecessary risks.
Engine management
with BMW Motorrad
ASC
with Automatic Stability Control
(ASC)
OE
How does ASC work?
The BMW Motorrad ASC com-
pares the wheel speeds of the
front and rear wheels. Differ-
ences in the relative rotation
speeds allow the system to de-
termine the slip rate, and thus
the stability reserves at the rear
7
90
z
Technology in detail
ProCarManuals.com
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