Opening the main menu
Press the button.
The main menu is displayed.
All iDrive functions can be called up via the main menu.
See also:
Opening the tone settings in
the Options menu*
1. "CD/Multimedia" or "Radio"
2. If necessary, select additional entries, for example,
"FM" or "CD/DVD".
3. Open "Options".
4. "Tone"
...
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 ...
Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 Traction AA
Temperature A ...