BMW 01 41 0 155 307 Bedienungshandbuch PDF herunterladen (Seite 134)

134n

Break-in procedures

To ensure that your vehicle provides

maximum economy throughout a long

service life, we request that you

observe the following suggestions:

Engine and axle drive

Up to 1,200 miles (2,000 km):

Drive at varying engine speeds and

road speeds, but do not exceed

4,500 rpm and the following road

speeds during this initial period:

BMW X5 3.0i: 100 mph (160 km/h)

BMW X5 4.4i: 106 mph (170 km/h)

Obey your local and state maximum

speed limits.

Refrain from using full throttle and avoid

pressing the accelerator beyond the

kickdown point.

Once you have driven 1,200 miles

(2,000 km), engine and vehicle speeds

can gradually be increased.

You should also comply with these

break-in procedures if the engine or

one of the axle drives is replaced later

in the course of the vehicle service life.

Tires

Due to technical factors associated

with their manufacture, tires do not

achieve their full traction potential until

an initial break-in period has elapsed.

For this reason, drive with extra care

during the initial 200 miles (300 km).

Obey your local and state maximum

speed limits.

When the vehicle is operated on

wet or slushy roads, a wedge of

water may form between the tire and

the road surface. This phenomenon is

referred to as aquaplaning, or hydro-

planing, and can lead to partial or

complete loss of traction, vehicle

control and braking effectiveness.

Reduce your speed on wet roads.<

Brake system

Approx. 300 miles (500 km) must

elapse before the brake pads and discs

achieve the optimal pad-surface and

wear patterns required for trouble-free

operation and long service life later on.

To break in the separate parking brake

drums, apply the parking brake lightly

when coasting to a standstill (at a traffic

signal, for instance), provided that

traffic conditions allow you to do so.

To avoid corrosion, repeat this proce-

dure from time to time.

The brake lamps do not light up

when the parking brake is applied.

Vacuum for the brake system servo unit

on your BMW is available only when the

engine is running. When you move the

vehicle with the engine shut off – when

towing, for instance – substantially

higher levels of pedal force will be

required to brake the vehicle.<

Online Edition for Part No. 01 41 0 155 558 - © 09/00 BMW Group

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