BMW 2004 645Ci, Owner'S Manual

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recommended for a performance-oriented driv-
ing style. It is engaged automatically when the
Dynamic Driving Control is activated, see
below.
When the selector lever is briefly moved for-
ward or back, the manual mode is activated and
the Steptronic shifts gear. The instrument clus-
ter shows M1 through M6.
Upshifts and downshifts are executed only
when they will result in a plausible combination
of engine and vehicle speed; thus, for example,
a downshift that would cause the engine to
overrev will not be executed by the system. The
selected gear appears briefly in the instrument
cluster, followed by the current gear.
To use the automatic function again, move the
selector lever to the right into position D.
Dynamic Driving Control
The Dynamic Driving Control makes it possible
for your BMW to react in an even more perfor-
mance-oriented manner at the push of a button:
> The engine responds more spontaneously
to accelerator pedal movements.
> Cruise control:
The stored speed is reached more quickly
when it is requested.
Additionally with SMG:
> Gearshifts are faster.
> The engine speed range is used optimally in
the Drive mode.
With automatic transmission:
> The Sport program is activated.
Activating system
In ignition key position 2, press the SPORT but-
ton.
The LED in the button lights up and SPORT is
displayed in the instrument cluster.
Deactivating system
> Press the SPORT button again or
> engage reverse gear or
> switch off the engine.
The LED in the button and SPORT in the instru-
ment cluster go out.
Acceleration assistant with SMG
The acceleration assistant enables optimized
vehicle acceleration at racing car level on road
surfaces with good adhesion when starting off.
Do not use the acceleration assistant too
often, as otherwise components will wear
prematurely.
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1. Activate the Dynamic Driving Control.
2. Press the DTC button, refer to page 82 , for
longer than three seconds.
3. Press the accelerator pedal down fully:
Kick-down. The ideal starting-off engine
speed is set.
To maintain driving stability, do not deac-
tivate DSC if at all possible.
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