User Manual - Page 189

For 2018 BMW X4.

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Hills
General information
Drive long or steep downhill gradients in the
gear that requires least braking effort. Other‐
wise, the brakes may overheat and reduce
brake efficiency.
You can increase the engine's braking effect
by shifting down, going all the way to first gear,
if needed.
Safety information
WARNING
Light but consistent brake pressure can
lead to high temperatures, brakes wearing out
and possibly even brake failure. There is a risk
of an accident. Avoid placing excessive stress
on the brake system.◀
WARNING
In idle state or with the engine switched
off, safety-relevant functions, for instance en‐
gine braking effect, braking force boost and
steering assistance, are restricted or not avail‐
able at all. There is a risk of an accident. Do not
drive in idle state or with the engine switched
off.◀
Brake disc corrosion
Corrosion on the brake discs and contamina‐
tion on the brake pads are increased by the fol‐
lowing circumstances:
Low mileage.
Extended periods when the vehicle is not
used at all.
Infrequent use of the brakes.
Aggressive, acidic, or alkaline cleaning
agents.
Corrosion buildup on the brake discs will cause
a pulsating effect on the brakes in their re‐
sponse - generally this cannot be corrected.
Condensation water under the parked
vehicle
When using the automatic climate control,
condensation water develops and collects un‐
derneath the vehicle.
Driving on racetracks
Higher mechanical and thermal loads during
racetrack operation lead to increased wear.
This wear is not covered by the warranty. The
vehicle is not designed for use in motor sports
competition.
Seite 189
Things to remember when driving Driving tips
189
Online Edition for Part no. 01402977904 - II/17
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