BMW X5 4.8i 2008 - Manual (Page 135)

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Driving on poor roads
Your X5 is at home on all roads and surfaces.
It combines a 4-wheel drive system with the
advantages of a normal passenger car.
Do not drive on unpaved terrain, as other-
wise the vehicle may be damaged.
<
When you are driving on poor roads, there are a
few points which you should strictly observe for
your own safety, for that of your passengers,
and for the safety of the vehicle:
> Familiarize yourself with the vehicle before
driving off and avoid taking risks at all costs.
> Adapt your driving speed to the road condi-
tions. The steeper and rougher the road
surface is, the lower the speed should be.
> You can operate your vehicle on uphill and
downhill gradients with a maximum slope of
50%. If you want to drive on uphill or down-
hill gradients of this kind, make sure before-
hand that the engine oil and coolant levels
are near the MAX mark, refer to page
242 .
> Use the HDC Hill Descent Control when
driving down extremely steep grades, refer
to page
90 . It is possible to start off on
grades of up to 33%.
The permissible body roll is 50%.
> While driving, watch carefully for obstacles
such as rocks or holes. Try to avoid these
obstacles whenever possible.
> Please make sure that the undercarriage
does not touch the ground, for example on
crests and bumpy roads. The ground clear-
ance of the vehicle is a maximum of approx.
8 in/20 cm. Please note that the ground
clearance can vary depending on loading
and the driving conditions of the vehicle.
> Only drive through water on roads up to a
maximum depth of 20 in/50 cm and only at
walking speed, making sure not to stop in
the process.
> After driving through water at low speed,
lightly press the brake pedal several times
to dry the brakes and to prevent the braking
effect from being reduced by wetness.
> Depending on the condition of the surface,
it may be practical to briefly activate DTC,
refer to DTC Dynamic Traction Control on
page
89 .
> If the drive wheels spin on one side, depress
the accelerator pedal sufficiently so that the
driving stability control systems can distrib-
ute the drive forces to the individual wheels.
Please note the following points after driving on
poor roads to maintain the driving safety of your
BMW:
> Clean the coarsest dirt from the body.
> Clean mud, snow, ice etc. from the wheels
and tires and check the tires for damage.
Online Edition for Part no. 01 41 0 014 248 - © 08/07 BMW AG