BMW 740i Owner's Manual page 95

e the system
he ignition key to position 2
ot start the engine)
and hold the button (arrow) un-
message "SET TIRE PRES-
E" appears in the Check Control
you have driven for a few min-
the RDC will import the current
on pressure in the tires as the
values which the system will
or.
only have to repeat this proce-
he tire inflation pressure must
ected. Otherwise, the RDC func-
tomatically when the ignition
position 2, and thus operates
er the vehicle is driven.
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Loss of tire pressure
If, after a certain period of time, the air
pressure has gone down significantly
(which is normal for any tire), the mes-
sage "CHECK TIRE PRESSURE" ap-
pears in the Check Control.
This alerts you that you should have the
tires inflated to the specified pressures
as soon as possible.
If you are prompted to check the
tire pressure shortly after a cor-
rection has been made, this indicates
that the corrected values were not ac-
curate. Please check the inflation pres-
sure again and make corrections ac-
cording to the inflation pressure table.<