Information on the navigation data
1. "Navigation"
2. Open "Options".
3. "Navigation system version": information on
the data version is displayed.
See also:
BMW X3 iDrive Owners Manual
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Vehicle equipment
All standard, country-specific and optional
equipment that is offered in the model series is
described in this chapter. Therefore, equipment
is also described that is not available in a vehicle, ...
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 ...