Changing wheels and tires
See also:
The concept
The parking brake is used to prevent the vehicle
from rolling when it is parked.
Engine switched off: the parking brake acts
on the rear wheels.
Engine running: the parking brake acts on
...
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 contract
After your contract with BMW Assist has expired,
the BMW Assist system can be deactivated
by the service center without you
having to visit a workshop.
After deactivation, an Emergency ...