Roadside Assistance
Service availability
Roadside Assistance can be reached around the clock in many countries. You can obtain assistance there in the event of a vehicle breakdown.
Roadside Assistance
The Roadside Assistance phone number can be viewed on the iDrive or a connection to Roadside Assistance can be established directly.
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 ...
Start/Stop button
The concept
Pressing the Start/Stop button
switches the ignition on or off and
starts the engine.
The engine starts if the brake
pedal is pressed when you press
the Start/Stop button. ...
Label
Run-flat tires
RSC label on the tire sidewall.
The wheels are composed of special rims and
tires that are self-supporting, to a limited degree.
The support of the sidewall allows the tire to re ...