BMW X3 xDrive 28i 2011, Owner'S Manual, Page: 220 / 262

This indicates that there is excessive
misfiring in the engine.
Reduce the vehicle speed and have
the system checked immediately;
otherwise, serious engine misfiring
within a brief period can seriously
damage emission control compo‐
nents, in particular the catalytic con‐
verter.
Fuel cap
The indicator lamp lights up.
If the fuel cap is not properly tightened,
the OBD system may conclude that fuel
vapor is escaping. If the cap is then tightened,
the display should go out in a short time.
Data memory
Your vehicle records data relating to vehicle op‐
eration, faults and user settings. These data are
stored in the remote control and can be read out
with suitable devices, particularly when the ve‐
hicle is serviced. The data obtained in this way
provide valuable information for service proc‐
esses and repair or for optimizing and develop‐
ing vehicle functions further.
In addition, if you signed a service contract for
Assist, certain vehicle data can be sent directly
from the vehicle to facilitate the desired serv‐
ices.
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Maintenance