Tire size

Example: 255/55 R 19 107 V
255: nominal width in mm
55: aspect ratio in %
R: radial tire code
19: rim diameter in inches
107: load rating, not for ZR tires
V: speed rating, before the R on ZR tires

Speed letter

Q = up to 100 mph/160 km/h
T = up to 118 mph/190 km/h
H = up to 131 mph/210 km/h
V = up to 150 mph/240 km/h
W = up to 167 mph/270 km/h
Y = up to 186 mph/300 km/h

    See also:

    Saving a function
    1. Highlight the function via the iDrive. 2. Press the desired button for more than 2 seconds. ...

    Setting the voice dialog
    You can set whether the system uses the standard dialog or a short version. In the short version of the voice dialog, the responses from the system are given in abbreviated form. On the Control Di ...

    Units of measure
    You can change the units for fuel consumption, route/distance, temperature and pressure. 1.  "Settings" 2.  "Language/Units" 3.  Select the desired menu item. ...