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 ...

Snow chains
Only certain fine-link snow chains have been tested by BMW, classified as safe for use and recommended. Consult your BMW center for more information. Snow chains must be mounted in pairs and on th ...

Mounting
Information on mounting tires Have mounting and balancing performed only by a service center or tire specialist. If this work is not carried out properly, there is the danger of subsequent dam ...