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 ...

Safety
BMW's inflatable tubular Head Protection System includes side curtain-type airbags for the first and second rows. Front-seat side-impact airbags are installed, and rear side-impact airbags are opt ...

Engine and differential
Always obey the official speed limit. Up to 1,200 miles/2,000 km Do not exceed the maximum engine and road speed: ▷ For gasoline engine, 4,500 rpm and 100 mph/160 km/h. Avoid full-thrott ...