ramic brake discs designed for use on race‐
tracks.
Due to properties of the materials used, brak‐
ing may be associated with louder function
noises, particularly in wet conditions, just be‐
fore the vehicle comes to a stop. However, this
has no effect on the performance, operational
reliability and durability of the brake.
The effects of moisture and road salt, from us‐
ing a carwash or dew formation overnight for
example, may render the braking effect com‐
parable to that of a conventional braking sys‐
tem. This may be perceived as reduced brak‐
ing effect and can be compensated for if
necessary by pressing the brake pedal harder.
Before washing the vehicle in an automatic
carwash or wash tunnel, clean the brake discs
and brake calipers with a steam jet or high-
pressure washer as well, to prevent encrusta‐
tions and dirt build-ups, caused by salt crys‐
tals, for example, if the car is immobile
afterwards. The cleaning effect of automatic
carwashes or wash tunnels is usually not ade‐
quate for this in the area around the wheels.
To do this, also follow the instructions in
Washing the vehicle, refer to page 196, and
Braking safely, refer to page 156.
Drive train With this vehicle, particular value was placed
on the direct connection from engine to the
drive train. Due to the torsionally rigid design of
the drive train, as is typical in a sports car, the
transmission of the torque also gives acoustic
feedback.
When there are load changes, this may result
in clacker noises. They do not cause any im‐
pairment of the operation or the service life of
the components.Driving on racetracks
Requirements Before driving on a racetrack:▷Participation in the BMW Driver Training.▷Check engine oil fill level and replenish as
necessary.▷Have vehicle checked at a service center.
Hints
Racetrack operation leads to increased wear.
The vehicle is not designed for motorsports
competitive use. This wear is not covered by
the warranty.
The standard brake linings and the wear indi‐
cators are not designed for racetrack opera‐
tion. For more information and advice, contact
your service center.
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