BMW Motorrad R 1250 GS 2002 Rider's Manual page 173

ted to a vehicle equipped with
an RDC control unit.
Tyre pressure ranges
The RDC control unit distin-
guishes between three tyre
pressure ranges matched to
the vehicle:
Filling pressure within the
permissible tolerance
Filling pressure in the limit
range of the permissible toler-
ance
Filling pressure outside per-
mitted tolerance
Temperature compensation
Tyre pressure is a temperature-
sensitive variable: pressure in-
creases as tyre-air temperature
rises and decreases as tyre-air
temperature drops. Tyre-air
temperature depends on ambi-
ent temperature as well as on
the style of riding and the dura-
tion of the ride.
The tyre pressures
are shown in the TFT
display as temperature
compensated and always
refer to the following tyre air
temperature:
20 °C
The air lines available to the
public in petrol stations and
motorway service areas have
gauges that do not compensate
for temperature; the reading
shown by a gauge of this
nature is the temperature-
dependent tyre-air pressure. As
a result, the values displayed
there usually do not correspond
to the values displayed in the
TFT display.
Pressure adaptation
Compare the RDC value on the
TFT display with the value in
the table on the back cover of
the Rider's Manual. Then use
the air-line gauge at a service
station to compensate for the
difference between the RDC
reading and the value in the
table.
Example
According to the rider's
manual, the tyre pressure
should be the following value:
2.5 bar
The following display is
shown in the TFT display:
2.3 bar
Missing:
0.2 bar
The tester on the filling sta-
tion shows:
2.4 bar
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