BMW M3 SEDAN Owner's Manual page 305

BMW M3 Technology
DRIVING TIPS
compensated for by pressing the brake pedal
harder.
Correct braking and washing
To prevent functional noises, it is expedient to
apply the brakes hard a few times in regular in‐
tervals. Ensure that the traffic situation permits
the brake operations.
With moisture on the brake discs, the brake sys‐
tem may be operated dry to prevent noise.
First clean brake discs and calipers with a steam
cleaner or high pressure cleaner before washing
the vehicle in an automatic car wash. This pre‐
vents salt crystals, for instance, from causing
crusty deposits or buildup to form if the vehicle
then remains stationary for a period of time. The
cleaning effect of automatic washing systems or
car washes is usually not adequate for this in the
area around the wheels.
Drivetrain
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
drivetrain, as is typical in a sports vehicle, the
transmission of the torque also gives acoustic
feedback.
When there are load changes, this may result in
clicking noises. The clicking noises do not impair
the operation or the service life of the compo‐
nents.
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Online Edition for Part no. 01405A1E4B0 - X/20