Check the tire inflation pressure regularly
Check and, if necessary, correct the tire inflation pressure at least twice a month and before starting on a long trip.
Low tire inflation pressure increases rolling resistance and thus raises fuel consumption and tire wear.
See also:
General information
The iDrive functions can be stored on the programmable
memory buttons and called up directly,
e.g., radio stations, navigation destinations,
phone numbers and entry points into the
menu.
The ...
Controls
1 Change entertainment sources
2 Volume, on/off
3 Programmable memory buttons or radio station buttons
4 Change station/track
5 Eject CD/DVD
6 CD/DVD drive
7 Change wave band ...
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 ...