BMW 745I - Manual (Page 100)

Technology for comfort, convenience and safety
98
Flat Tire Monitor*
The concept
The Flat Tire Monitor keeps track of the
inflation pressures in your tires as you
drive. The system provides an alert when-
ever the inflation pressure drops signifi-
cantly below the specified pressure in one
or more tires.
In order for the Flat Tire Monitor to 'learn'
the correct tire inflation pressure, check the
inflation pressure in all tires against the
inflation pressure table on page
185 and
make corrections as necessary. Then pro-
ceed to initialize the system.
This symbol will appear in the
Check Control to inform you that
the inflation pressure of a tire has
fallen significantly. 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 Flat Tire Monitor cannot indicate
sudden severe tire damage caused
by outside factors and does not detect a
natural, even pressure drop in all four
tires.
<
Initializing the system
1. Switch ignition on, do not start the
engine
2. Select "RPA" from the "Settings" menu
and confirm your selection. The initial-
ization menu appears.
"YES"
Select and confirm. The Flat Tire Monitor
starts an automatic 'learning' process as
the car is driven, and memorizes these ref-
erence pressures. This one-off learning
takes at least 10 minutes, after which the
Flat Tire Monitor is able to detect and indi-
cate a flat tire.
Repeat this process after any changes in
tire inflation pressure, tire rotation or
replacement.
"NO"
Select and confirm to return to the "Set-
tings" menu.
Flat tire
The symbol will light up red, accompanied
by a status message in the Check Control.
> Vehicles with standard tires:
If this occurs, reduce vehicle speed
immediately and stop the vehicle. Avoid
hard and sudden steering and braking
maneuvers. Replace the defective tire
> Vehicles with run-flat tires:
If this occurs, carefully but quickly
reduce vehicle speed to below 50 mph
(80 km/h). Avoid hard and sudden
steering and braking maneuvers.
Additional information on run-flat tires
is provided on page
186 .
Please take note of the additional informa-
tion in the Control Display.
Online Edition for Part No. 01 41 0 157 197 - © 11/02 BMW AG