Message when the system was not reset
The yellow warning
lamp lights up. A
message appears on the Control Display.
The system detected a wheel change but was not reset.
Warnings regarding the current tire inflation pressure are not reliable.
Check the tire inflation pressure and reset the system.
See also:
Cargo cover
Pull out the cargo cover, arrow 1, and hook both
sides into the brackets, arrow 2.
Hook the cargo cover on both sides
Hook the cargo cover on both sides to prevent
damaging the cover.◄
...
BMW Maintenance System
The maintenance system directs you to required
maintenance measures and thereby supports
you in maintaining road safety and the operational
reliability of the vehicle. ...
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 ...