Tire age
The tire manufacturing date is contained in the tire identification mark: DOT ... 3410 means that the tire was manufactured in the week 34 of 2010.
BMW recommends that you replace all tires after 6 years at most, even if some tires may last for 10 years.
See also:
Safety information
The tire characteristics and tire inflation pressure
influence the following:
The service life of the tires.
Road safety.
Driving comfort.
...
Displaying information on the instrument panel
Displaying information on the
instrument panel
Press the computer button on the turn signal
lever.
Information is displayed in the instrument cluster. ...
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 ...