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 ...

2011 BMW 750 Review by David Thomas
As the 2010 7 Series ebbs into the 2011 with few changes, I spent some time driving the 750Li xDrive. That's BMW's long-wheelbase, all-wheel-drive version of its flagship sedan. While I was impr ...

System limits
Sudden tire damage Sudden serious tire damage caused by external influences cannot be indicated in advance.◀ A natural, even pressure loss in all four tires cannot be detected. Therefore, ...