BMW GRAN COUPE 4 Series Owner's Manual page 95

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For additional information, see the chapter on
tow-starting and towing.
Steptronic Sport transmission:
Launch Control
Concept
Launch Control enables optimum acceleration
on surfaces with good traction under dry sur‐
rounding conditions.
General information
The use of Launch Control causes premature
component wear since this function represents
a very heavy load for the vehicle.
Do not use Launch Control during the break-in,
refer to page 198, period.
To start with Launch Control do not steer the
steering wheel.
Functional requirements
Launch Control is available when the engine is
warmed up, that is, after uninterrupted driving
of at least 6 miles/10 km.
Start with launch control
While the engine is running:
1.
Press button or select Sport+ with
the Driving Dynamics Control.
TRACTION is displayed in the instrument
cluster and the indicator light for DSC OFF
lights up.
2.
Engage selector lever position S.
3.
With the left foot, forcefully press down on
the brake.
4.
Press and hold down the accelerator pedal
beyond the resistance point at the full
throttle position, kickdown.
A flag symbol is displayed in the instru‐
ment cluster.
5.
The starting engine speed adjusts. Within
3 seconds, release the brake.
Online Edition for Part no. 01402978272 - II/17
Driving
Repeated use during a trip
After Launch Control was used, the transmis‐
sion must cool down for approx. 5 minutes, be‐
fore Launch Control can be used again.
Launch Control adjusts to the surrounding
conditions, when used again.
After using Launch Control
To increase vehicle stability, activate DSC Dy‐
namic Stability Control again.
System limits
An experienced driver may be able to achieve
better acceleration values in DSC OFF mode.
Controls
95

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