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99
Check the tire inflation pressure regu-
larly and correct it if necessary, refer
to page 185.
Do not initialize the system when snow
chains are fitted. False alarms and unde-
tected loss of pressure may occur in such
situations.
When driving on snow-covered or slippery
surfaces, it may take some time for a loss of
tire pressure to be indicated.
A sports driving style – spinning of the
driven wheels, high lateral accelerations –
can likewise result in a delayed response
from the Flat Tire Monitor.<
System malfunctions
The symbol will appear in yellow in the
Check Control and a message will appear.
Please refer to the additional information
supplied in the Control Display, and have
the system inspected at your BMW center.
TPM Tire Pressure Monitor*
The concept
TPM monitors inflation pressures in all four
tires while you drive. The system provides
an alert whenever the inflation pressure
drops significantly below the specified
pressure in one or more tires.
To initialize TPM, start by checking the
inflation pressures in all four tires and com-
paring them with those specified in the
table on page 185, correcting them as nec-
essary.Then proceed to initialize the
system.
This symbol will appear in the
Check Control to inform you when
the inflation pressure varies from
that stored in the system. A text message
appears at the same time.
Please take note of the additional informa-
tion in the Control Display.
You can find more information on the
Check Control starting on page 85.
The TPM cannot alert you to severe
and sudden tire damage caused by
external factors.<
Initializing the system
1. With the vehicle parked, switch on the
ignition
2. Select "TPM" from the "Settings" menu
and confirm your selection. The initial-
ization menu appears.
"INITIALIZE"
1. Select and confirm
2. TPM is initialized. A message appears
in the Check Control
3. After several minutes of driving TPM will
adopt the tires' current inflation pres-
sures as its references.
The current data appear in the Control
Display. These figures are more accu-
rate than those that appear on the infla-
tion gauges at filling stations, etc.
The only time you will need to repeat this
procedure is after correcting your tire pres-
sures. Because TPM automatically
assumes operation each time you switch
on the ignition, it is on duty whenever you
drive.
If the system detects a flat tire during
the initialization process, the tires in
the Control Display will appear in red.<
Online Edition for Part No. 01 41 0 157 197 - © 11/02 BMW AG