See also:

Sockets
The lighter socket can be used as a socket for electrical equipment while the engine is running or when the ignition is switched on. The total load of all sockets must not exceed 140 watts at ...

Changing wheels
Your BMW is equipped with run-flat tires as standard. This eliminates the need to change a wheel immediately in the event of a puncture. For information on continuing to drive with a damaged tire, ...

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 ...