Service requirements
See also:
Switching between cases, letters and numbers
Depending on the menu, you can switch between
entering upper and lower case, letters
and numbers:
Without navigation system
Select the
symbol. ...
Starting a Service Request
1. "BMW Assist" or "ConnectedDrive"
2. "Service Request"
3. "Start service"
Starting a Service Request
A Service Request can be started via a Check
Cont ...
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 ...
