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65
Sequential M gearbox SMG II*
The concept
The sequential M gearbox SMG II is an
automated manual gearbox with which
clutching and shifting is assumed by an
electro-hydraulic system.
The SMG II is operated via two shift
paddles on the steering wheel and the
selector lever in the center console.
It offers the following functions:
> Sequential and automated shifting
mode
> Ability to choose between different
driving programs – Drivelogic
> Gradient assistance, refer to page 68
> Upshift display and shift lights, refer
to page 69
> RPM matching on downshifts
> Driving dependent functions:
The respective driving situation, e.g.
cornering, mountain driving or brak-
ing, is detected by sensors and taken
into account for shifting, e.g. to
achieve optimum gear selection dur-
ing deceleration and subsequent
acceleration
> Slip recognition at the rear axle for
increasing driving stability, e.g. dur-
ing downshifting on slippery road
surfaces
> Operating safety through protection
against misshifting.
Under normal operating conditions, fuel
consumption is lowest when driving in
the first driving program of the auto-
mated shifting mode.
Selector lever position
R: Reverse position
0: Position 0 (Neutral)
Forward position with one-touch mode:
> S: sequential mode
> A: automated mode
> +: upshifting in sequential mode
> –: downshifting in sequential mode.
The SMG II is ready for operation from
ignition key position two or higher.
For your safety, it is only possible to
engage a driving position with the vehi-
cle stopped approx. two seconds after
engaging position 0 with the footbrake
depressed – shift-lock function.
OverviewControlsMaintenanceRepairsDataIndex
handbook.book Page 65 Saturday, July 27, 2002 1:12 PM
Online Edition for Part-No. 01 41 0 156 842 - © 09/02 BMW AG
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