BMW M6 Convertible 2007 - Manual (Page 63)

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Sequential Manual
Transmission with Drivelogic
The concept
The SMG Sequential Manual Transmission
with Drivelogic is an automated manual trans-
mission in which an electrohydraulic system
handles the clutching and gear changes.
The Sequential Manual Transmission is oper-
ated with the selector lever and two shift pad-
dles on the steering wheel.
It offers the following functions:
> Choice of manual or automatic mode:
Sequential mode or Drive mode
> Selection option between different driving
programs, Drivelogic, refer to page
62
> Upshift display, shift lights, refer to page 63
> Automatic downshifting and prevention of
incorrect shifting even in sequential opera-
tion
> Automatic double clutching
Selector lever positions
> R: Reverse gear
> N: Neutral, idle
> Β: Drive position:
> +: manual upshifting
> –: manual downshifting
> D/S: switch between Drive mode and
Sequential mode
Shiftlock
Press the brake pedal before shifting out of N;
the shift command will not be executed unless
the brake is applied.
R Reverse
Select only when the vehicle is stationary.
N Idle
Always engage before starting engine.
If the driving situation requires, e.g. when down-
shifting on a slippery road surface, the Sequen-
tial Manual Transmission automatically
clutches and then declutches again, i.e. it is not
necessary to engage idling manually.
N is automatically engaged after just a
few seconds when you open the driver's
door or the hood with the engine running and do
not operate either pedals, shift paddles or the
selector lever. In these cases, to start off after
closing the driver's door or the hood, first move
the selector lever into the position N and then
into the drive position.
<
S Sequential mode
You can shift up and down using the shifting
paddles or the selector lever. You do not need
to remove your foot from the accelerator to do
so.
After every engine start, as soon as the selector
lever is pushed to the right into the drive posi-
tion
Β and the brake pedal is pressed, the
Sequential mode is activated.
Starting off is also possible on a level road sur-
face in second gear, e.g. in case of ice.
In the following situations, the Sequential Man-
ual Transmission thinks for you:
> Upshifts and downshifts are executed only
when they will result in a plausible combina-
tion of engine and vehicle speed; thus, for
example, the system will not execute a
downshift that would cause the engine to
overrev.
> When the vehicle is stationary, the trans-
mission automatically downshifts into first
gear.
> Shortly before dropping below a gear-
dependent minimum speed, the transmis-
sion downshifts automatically even without
your intervention.
Online Edition for Part no. 01 41 0 013 314 - © 02/07 BMW AG