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:
3.
4.
Select "SET" and confirm your selection
Drive off.
1.
2.
Check the inflation pressures in all tires
Compare with the inflation pressure
table on page 189 and correct if neces-
sary
3.
Initialize the system.
System limits
The Flat Tire Monitor cannot indicate
sudden severe tire damage caused by
outside factors and does not detect a natu-
ral, 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:
"FTM is being initialized" is displayed as the
status.
It takes at least 10 minutes before the Flat
Tire Monitor can detect and report a flat
tire.
>
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
When driving with snow chains, do
not initialize the system.<
Select
menu.
and confirm to exit from the
>
False alarms and undetected loss of
pressure may occur when you are driv-
ing with snow chains fitted.
Indication of a flat tire
The warning lamp lights up red,
Initializing system
accompanied by a status message
in the Check Control. In addition, an
acoustic signal sounds. A flat tire or a major
air loss has occurred.
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.
Reduce speed and stop the vehicle
carefully. Avoid sudden braking and
steering maneuvers
1.
2.
Start the engine, but do not drive off
Select "RPA" from the "Settings" menu
and confirm your selection. The initial-
ization menu appears
2.
Identify damaged tire
If identification is not possible,
contact your BMW center.<
3.
Replace the damaged tire, refer to
Changing wheels on page 204.
96
Online Edition for Part-No. 01 41 0 159 154 - �09/04 BMW AG
| Categories | BMW 7-Series Manuals, BMW Manuals |
|---|---|
| Tags | BMW 745i, BMW 745Li, BMW 760i, BMW 760Li, BMW E65, BMW E66 |
| Model Year | 2005 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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