Switching between letters and numbers
Depending on the menu, you can switch between entering letters and numbers:

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 ...
New & Improved, Sort Of
An updated 3.0-liter six-cylinder engine goes under the hood. Packed with
BMW's latest innovations, the engine churns out 260 horsepower and 225
pounds-feet of torque — a 15 percent increase in ho ...
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, ...
