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Warm-up on the center or aux-
8
iliary stand at idle or with gear
engaged.
122
If the front wheel loses contact
to the ground during extreme
acceleration, the ASC reduces
the engine torque until the front
wheel touches the ground again.
BMW Motorrad recommends
that you respond to this condi-
tion by twisting back the throttle
grip somewhat to return to stable
dynamic operating conditions as
quickly as possible.
On a slippery surface, the
throttle grip must never be
z
suddenly turned back completely
without pulling the clutch at
the same time. The engine's
braking torque could cause the
rear wheel to lock, resulting in
unstable motorcycle conditions.
This case cannot be controlled
by BMW Motorrad ASC.
Dynamic Traction
Control (DTC)
How does DTC work?
with Dynamic Traction Control
OE
(DTC)
BMW Motorrad DTC compares
the wheel speeds of the front
and rear wheels. From the speed
difference the slip, and with it
the stability reserves on the rear
wheel are determined. When a
slip limit is exceeded, the engine
torque is adapted by the engine
management system.
WARNING
Risky riding style
Risk of accident despite DTC
The rider is always responsi-
ble for adapting his/her driving
style.
Do not reduce the system's ex-
tra safety margin with careless
riding or unnecessary risks.
Special situations
with Dynamic Traction Control
(DTC)
OE
As lean angles increase, accel-
eration potential is also progres-
sively restricted by the laws of
physics. This can result in re-
duced acceleration when coming
out of very tight curves.
To detect spinning or slipping
away of the rear wheel, the
speeds of the front and rear
wheel are compared and the
angle is considered, for example.
If these values are detected to
be implausible for a long period,
a replacement value is used for
the angle and the DTC function
is deactivated. In these cases,
a DTC error is displayed. A
self-diagnosis routine must be
completed before the error will
be displayed.
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