To detect spinning or slipping
away of the rear wheel, the
speeds of the front and
rear wheel are compared. If
implausible values are detected
over a longer period of time, the
ASC function is deactivated for
safety reasons and an ASC error
is indicated. The condition for a
fault code is the completed self-
diagnosis.
The following unusual driving
conditions may lead to automatic
deactivation of BMW Motorrad
ASC:
Riding on the rear wheel (per-
forming Wheelies) for an ex-
tended period with the ASC
deactivated.
Spinning the rear wheel on the
spot with the front brake ap-
plied (Burn Out).
Heating up on the main or aux-
iliary stand at idle or with gear
engaged.
Switching the ignition off and on
again and then riding the mo-
torcycle at more than a certain
minimum speed reactivates the
ASC.
Minimum speed for ASC
activation
min 6 mph (min 10 km/h)
With extremely knobbly tires, it is
possible that due to the greater
degree of slip the ASC will inter-
vene before the optimum traction
is obtained. In such cases the
BMW Motorrad ASC should be
switched off.
If the front wheel loses contact
with the ground under extreme
acceleration, the ASC reduces
the engine torque until the front
wheel makes contact with the
ground again.
In this case, BMW Motorrad rec-
ommends turning back the throt-
tle grip somewhat to achieve
a stable driving state again as
quickly as possible.
On a slippery surface, the throt-
tle grip should never be sud-
denly turned back completely
without pulling the clutch at the
same time. The engine brak-
ing torque can cause the rear
wheel to block, resulting in an
unstable driving state. This situ-
ation cannot be controlled by the
BMW Motorrad ASC.
Tire Pressure Monitor
with Tire Pressure Control
(TPC/RDC)
OE
Function
A sensor is located in each tire,
which measures the air temper-
ature and the inflation pressure
inside the tire and sends these
values to the control unit.
6
102
z
Technology in detail
To Next Page
Loading...
Need help?
General
