BMW 2008 X6 Owner's Manual page 92

Function requirements
In order to assure the reliable reporting of a flat
tire, the system must be initialized for the cor-
rect tire inflation pressure.
The initialization must be repeated after
each time the tire inflation pressure is cor-
rected and after every tire or wheel
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
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. Do not initialize the sys-
tem when driving with snow chains
*
compact wheel .<
iDrive, for operating principle refer to page 16.
1. Press the button.
This opens the start menu.
2. Press the controller to open the menu.
3. Select "Settings" and press the controller.
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4.
5.
change.<
tires.<
6.
7.
8.
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9.
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or with the
The initialization finishes during driving.
Indication of a flat tire
sounds. There is a flat tire or extensive inflation
pressure loss.
If you have deactivated DSC, it will be activated
automatically.
1.
Select "Vehicle / Tires" and press the con-
troller.
Change to upper field if necessary. Turn the
controller until "FTM" is selected and press
the controller.
Start the engine, but do not start driving.
Select "Reset" and press the controller.
Select "Yes" and press the controller. The
message "resetting FTM ..." is displayed.
Start to drive.
The warning lamp lights up red. A
message appears on the Control Dis-
play. In addition, an acoustic signal
Cautiously reduce speed to below 50 mph/
80 km/h. Avoid sudden braking and steer-
ing maneuvers. Do not exceed a speed of
50 mph/80 km/h.
In case of further air loss of the defective
wheel, its position will be indicated to you
on the Control Display.