BMW 2001 BMW 530I User Manual

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Index Data Technology Repairs Car care Controls Overview

207n

On vehicles with automatic transmis-

sion, Adaptive Transmission Control

(ATC) uses a number of factors to cal-

culate the gear which provides the

maximum efficiency. In this process it

monitors your personal driving style,

the situation in which you are driving,

the condition of the road and the traffic

conditions.

ATC recognizes your personal driving

style from the positions and movements

of the accelerator pedal, deceleration

when braking and lateral acceleration

through curves. Four different shift

characteristics – from comfort-oriented

to performance-oriented – are available

for selection by ATC.

In order to take driving conditions into

account, ATC registers corners and

390de334

ATC

both uphill and downhill gradients. For

example, if you maintain speed through

a curve, the transmission does not up-

shift.

On uphill gradients, it shifts only when

the engine speed increases in order to

make more efficient use of power

reserves. On downhill gradients ATC

downshifts when the speed of the vehi-

cles increases, causing the driver to

step on the brakes.

ATC*

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2001 BMW 530i