Tow-starting and towing
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 ...
Navigation data
General informationNavigation data and authorization codes are available from your BMW center. Navigation
data are stored in the vehicle and can be updated.
> Depending on the data volume, a dat ...
Functional requirements
The system must have been initialized when the
tire inflation pressure was correct; otherwise,
reliable signaling of a flat tire is not ensured. Initialize
the system after each correction of th ...
