How Does Dynamic Engine Brake Control Work?; Causes For Excessive Slip At The Rear Wheel - BMW F 750 GS Rider's Manual

Minimum speed for ac-
tivation of DTC
min 5 km/h
If the front wheel lifts clear of
the ground under severe ac-
celeration, the DTC reduces
engine torque in the
riding modes until the
ROAD
front wheel regains contact
with the ground.
The
ENDURO
designed for off-road operation
and not suitable for on-road
operation.
Front wheel lift-off detection
allows brief wheelies in the
and
DYNAMIC
modes.
BMW Motorrad recommends
turning the throttle grip back
slightly when lifting the front
wheel in order to reach a stable
driving condition again as soon
as possible.
DYNAMIC ENGINE BRAKE
CONTROL
with riding modes Pro
RAIN
riding mode is
riding
ENDURO
OE
How does dynamic engine
brake control work?
The purpose of dynamic en-
gine brake control is to prevent
the unstable riding states that
can be produced by excess-
ive engine braking moment
acting on the rear wheel. De-
and
pending on the road condition
and riding dynamic, excessive
braking torque can produce
a sharp rise in rear-wheel slip
and impair directional stability.
Dynamic engine brake control
limits this slip at the rear wheel
to a safe, mode-dependent reg-
ulated slip.
Causes for excessive slip at
the rear wheel:
Riding with engine overrun
on a surface with a low coef-
ficient of friction (e.g. wet
leaves).
Rear-wheel hop when rider
downshifts.
Sharp braking during sporty
riding.
In the same way as
BMW Motorrad DTC dynamic
traction control, dynamic
engine brake control compares
the wheel circumferential
velocities of the front and rear
wheels calculated from the
wheel speeds and the tyre
radius. Dynamic engine brake
179