Saving a function
1. Highlight the function via the iDrive.
2. 
Press
the desired button for more
than 2 seconds.
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 ...
System limits
Personal judgment
The system cannot serve as a substitute
for the driver's personal judgment of the traffic
situation.
The system assists the driver and does not replace
the human eye.◄
T ...
RDS
RDS broadcasts additional information, such as
the station name, in the FM wave band.
Switching the RDS on/off
1. "Radio".
2. "FM".
3. "Options" Open.
4. "RDS ...