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 ...

Controls
At a glance 1 System on/off, interrupt 2 Resume speed 3 Store speed 4 Store, maintain/change speed Switching on Press the button on the steering wheel. The marking in the speedometer is ...

Optional Variable Sports Steering
Optionally a new variable-ratio steering system can be specified. Variable Sports Steering provides different steering gear ratios depending on the angle of the steering wheel, so that the new BMW ...