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 ...

Navigation
This chapter contains various examples of how the navigation system can guide you reliably to your destination. ...

A host of active safety systems reduce the risk of accidents
A selection of electronic assistance systems make an active contribution to driving safety in the new BMW 3-Series, helping drivers to avoid collisions in the first place. The functions of the mai ...