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 ...

Other services from BMW ConnectedDrive
New BMW 3-Series Sedan customers can order a selection of innovative remote functions from BMW ConnectedDrive designed to provide the driver with personalised assistance and therefore enhanced com ...

High-beam Assistant
When the lights are switched on, this system automatically switches the high beams on and off. The procedure is controlled by a sensor on the front of the interior rearview mirror. The assistant ...