BMW R 12 nineT 2023 Rider's Manual page 148

142 ENGINEERING DETAILS
serves of stability available at
the rear wheel. If slip exceeds
a certain limit, the electrical
machine management system
intervenes and adapts torque
accordingly. Dynamic Traction
Control (DTC) takes bank angle
into consideration and on ac-
count of this additional bank-
angle and acceleration data,
its intervention is more precise
and more comfortable for the
rider.
BMW Motorrad DTC is de-
signed as an assistant system
for the rider and for use on
public roads. The extent to
which the rider affects DTC
control can be considerable
(weight shifts when cornering,
items of luggage loose on the
vehicle), especially when the
style of riding takes rider and
machine close to the limits im-
posed by physics.
The system is not optimised for
special requirements that ap-
ply under extreme competitive
conditions off-road or on the
track. The BMW Motorrad DTC
can be deactivated in these
cases.
WARNING
Risky riding
Risk of accident despite DTC
Invariably, the rider bears
responsibility for assessing
road and traffic conditions
and adopting his or her style
of riding accordingly.
Do not take risks that would
negate the additional safety
offered by this system.
Special situations
In accordance with the laws of
physics, the ability to acceler-
ate is restricted more and more
as the angle of heel increases.
Consequently, there can be a
perceptible reduction in accel-
eration out of very tight bends.
If the electronic processor
receives values for the bank
angle that it considers implaus-
ible over a lengthy period, a
dummy value is used for the
bank angle or the DTC function
is switched off. Under these
circumstances the indicator
for a DTC fault shows. Self-
diagnosis has to complete
before fault messages can be
issued.
Traction control can shut down
automatically under the excep-