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after changing a tire or after changing a wheel or
all of the wheels.<
System limits
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.<
In the following situations, the system could be
delayed or malfunction:
> System has not been initialized
> Driving on snowy or slippery road surface
> Sporty driving style: slip in the drive wheels,
high lateral acceleration
> Driving with snow chains
*
When you are driving with the compact wheel,
the Flat Tire Monitor is unable to function.
Initializing system
The initialization finishes during driving,
which can be interrupted at any time.
When driving resumes, the initialization is con-
tinued automatically. When driving with snow
chains or with the compact wheel, do not initial-
ize the system.<
Control Center, for principle details, refer to
page 16.
1. Open the menu.
2. Select "Vehicle settings" and press the
controller.
3. Select "FTM" and press the controller.
4. Start engine, but do not start driving.
5. Select "Set tire pressure" and press the
controller.
6. Select "Yes" and press the controller.
7. Start to drive.
The message "Initializing" is displayed.
The initialization finishes during driving. Then
the message "Status: Active" appears on the
Control Display again.
Indication of a flat tire
The warning lamp lights up in red and a
message appears on the Control Dis-
play. In addition, an acoustic signal
sounds. There is a flat tire or extensive inflation
pressure loss.
1. Reduce speed and stop the vehicle care-
fully. Avoid sudden braking and steering
maneuvers.
2. Identify damaged tire.
If identification is not possible, con-
tact a BMW center.<
3. Replace the damaged wheel, refer to
Changing a wheel on page 185.
Vehicles with run-flat tires
1. Cautiously reduce speed to below 50 mph/
80 km/h. Avoid sudden braking and steering
maneuvers. Do not exceed a speed of
50 mph/80 km/h.
If the vehicle is not equipped with run-
flat tires, refer to page 174, do not
continue driving. Continuing to drive with a
flat tire could cause severe accidents.<
Online Edition for Part-No. 01 41 0 158 518 - © 09/04 BMW AG