BMW M5 Sedan 2007 User Manual

Page 84

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change. This change is detected and is
reported as a flat tire.

Functional requirement

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 change.

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

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.

With Sequential Manual Transmission via the
button in the center console:

Start the engine, but do not start driving.

Press the button at least 4 seconds, how-
ever not longer than 2 minutes. After
releasing the button, the warning lamp in
the instrument cluster lights up yellow for a
few seconds. Warning lamp, refer to Indica-
tion of a flat tire. The message "Initializing
FTM ..." appears on the Control Display for
a few seconds.

Start to drive. The initialization finishes dur-
ing driving without feedback.

Via iDrive, for explanation of principle, refer to
page

Press the

button.

This opens the start menu.

Press the controller to open the menu.

Turn the controller until "Settings" is
selected and press the controller.

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.

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