Technical features for driving comfort and safety
72
330i, 330d, 335i, 335d: in the same way as with
a differential interlock, brake intervention takes
place on the rear axle if the drive wheels spin
severely, improving forward momentum even if
the DSC is disabled.
Reactivate DSC a soon as possible in order to
support driving stability.
Activating DSC
Press the button again; the indicator lights in
the instrument cluster go out.
As a check
If the indicator light is flashing:
DSC is regulating the propulsive and
braking forces.
If the indicator lights are on:
DSC is deactivated.
Dynamic Traction Control DTC
DTC is a traction-optimised version of DSC
intended for use in special circumstances, such
as roads covered by deep snow. Under these
circumstances the system ensures maximum
forward traction, but at a certain cost in terms of
stability. Consequently, you must exercise suit-
able caution when driving under these condi-
tions.
330i, 330d, 335i, 335d: in the same way as with
a differential interlock, brake intervention takes
place on the rear axle if the drive wheels spin
severely, improving forward momentum even if
the DTC is enabled.
In the following exceptional situations it may be
best to activate DTC for a short time:
> When driving uphill on snow-covered roads,
in slush or on unploughed, snow-covered
roads
> If the car has to be rocked out of or started in
deep snow or on a loose surface
> If snow chains are fitted.
Activating DTC
Press the button; the indicator lights for DTC in
the instrument cluster come on.
As a check
If the indicator light is flashing:
DTC is regulating the propulsive and
braking forces.
If the indicator lights are on:
DTC is activated.
Deactivating DTC
Press the button again; the DTC indicator lights
in the instrument cluster go out.
xDrive*
xDrive is your BMW's four-wheel-drive system.
xDrive and DSC interact with one another to fur-
ther optimise traction and dynamic driving.
Depending on the driving situation and prevail-
ing road conditions, the xDrive four-wheel-drive
system distributes driving power variably to the
front and rear axles.
Hill Descent Control HDC*
HDC is a downhill driving assistant that regu-
lates your vehicle's speed on steep downhill
gradients and makes your BMW's handling
even easier to control under these conditions.
The vehicle then moves at slightly more than
double walking speed without you having to
intervene.
You can activate HDC below a speed of approx.
35 km/h, approx. 22 mph. When driving down-
hill at a speed below approx. 35 km/h, approx.
22 mph, the speed is then automatically
Online Edition for Part no. 01 41 0 013 257 - © 02/07 BMW AG
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