Bmw 760i Sedan 2004 Bedienungsanleitung PDF herunterladen (Seite 97)

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Flat Tire Monitor

The concept

The Flat Tire Monitor keeps track of the

inflation pressures in the four fitted tires as

you drive. The system provides an alert

whenever the inflation pressure of one tire

drops significantly in relation to the pres-

sure of another tire.

The check of the tire inflation pressure is

based on monitoring the relative speeds of

the wheels. A flat tire is detected and

reported on the basis of a deviation in cer-

tain speed ratios.

Functional requirements

So that the Flat Tire Monitor can learn the

correct inflation pressure, please perform

the following:

1. Check the inflation pressures in all tires

2. Compare with the inflation pressure

table on page 189 and correct if neces-

sary

3. Initialize the system.

Limits of the system

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, on the other

hand, there can be delays in detecting tire

pressure losses, and even system failure:

> When you are driving on snow-covered

or slippery road surfaces

> In the case of performance-oriented

driving: slip on the drive wheels, high

lateral acceleration

> False alarms and undetected loss of

pressure may occur when you are driv-

ing with snow chains fitted.

Initializing the system

Perform the initialization immediately

after correcting the inflation pressure,

changing a tire or changing a wheel or all

wheels. A drive is necessary for this pur-

pose.<

1. Start the engine, but do not drive off

2. Select "FTM" from the "Settings" menu

and confirm. The initialization menu

appears

3. Select "SET" and confirm

4. Drive off.

Status: "FTM is being initialized" is dis-

played.

It takes at least 10 minutes before the Flat

Tire Monitor can detect and report a flat

tire.

When driving with snow chains, do

not initialize the system.<

Select and confirm to exit from the

menu.

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