BMW 4 CONVERTIBLE 2022 Series Owner's Manual page 305

Safety information
Warning
Light but consistent pressure on the brake
pedal can lead to high temperatures, brakes
wearing out and possibly even brake system
failure. There is a risk of accident. Avoid placing
excessive stress on the brake system.
Warning
In idle state or with the engine switched off,
safety functions, for instance engine braking ef‐
fect, braking assistance and steering assis‐
tance, may not be available. There is a risk of
accident. Do not attempt to drive in idle state or
with the engine switched off.
Brake disc corrosion
Corrosion on the brake discs and contamination
on the brake pads are increased by the following
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 response -
generally this cannot be corrected.
Condensation water under the
parked vehicle
When using the automatic climate control, con‐
densation water develops and collects under‐
neath the vehicle.
Things to remember when driving
Online Edition for Part no. 01405A39689 - VI/21
Driving on racetracks
Warning
The vehicle is not designed for use in M Sport
or motor sport type competition. There is a risk
of accident. Do not use the vehicle for M Sport
or motor sport type competitions.
Higher mechanical and thermal loads during
racetrack operation lead to increased wear. Use
of the vehicle in M Sport or motor sport type
competition is an improper use of the vehicle and
may affect your warranty coverage. Please con‐
sult the "New Vehicle Limited Warranty" Booklet
for further information on warranty matters.
Have vehicle checked by a dealer's service cen‐
ter or another qualified service center or repair
shop before and after driving on a racetrack.
DRIVING TIPS
305