Displaying the button assignment
Use a finger to touch the buttons. Do not wear gloves or use objects.
The key assignment is displayed at the top edge of the screen.

▷ To display short information: touch the button.
▷ To display detailed information: touch the button for an extended period.
See also:
The concept
The iDrive combines the functions of a multitude
of switches. Thus, these functions can be operated
from a central location.
Using the iDrive during a trip
To avoid becoming distracted and posi ...
Office
...
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 ...
