Oil change
An oil change should be carried out by your service center only.

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 ...
Socket for OBD Onboard
Diagnosis
Socket for OBD Onboard
Diagnosis
On the driver's side is an OBD socket for checking
the primary components in the vehicle emissions. ...
Snow chains
Only certain fine-link snow chains have been
tested by BMW, classified as safe for use and
recommended. Consult your service center for
more information.
BMW X5: use only in pairs on the rear w ...
