The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.
See also:
Tire identification marks
Tire size
255/50 R 19 103 Y
255: nominal width in mm
50: aspect ratio in %
R: radial tire code
19: rim diameter in inches
103: load rating, not for ZR tires
Y: speed rating, before the R on ZR ...
Service and warranty
We recommend that you read this publication thoroughly.
Your BMW is covered by the following warranties:
> New Vehicle Limited Warranty
> Rust Perforation Limited Warranty
> Federal Emiss ...
Displays in the instrument cluster
Desired speed
▷ The marking lights up in
green: the system is active.
▷ The marking lights up in orange:
the system has been
interrupted.
▷ The marking does not light up: th ...