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CONTROLS Technology for driving comfort and safety
70
Functional requirement
The system must have been initialized while the
tire inflation pressure was correct; otherwise,
reliable signaling of a flat tire is not ensured.
Initialize the system after every correction of the
tire inflation pressure and after every tire or
wheel change.
System limitations
Sudden serious tire damage caused by
external influences cannot be indicated in
advance.<
A natural, even pressure loss in all four tires
cannot be detected. Therefore, check the tire
inflation pressure regularly.
In the following situations, the system could be
delayed or malfunction:
> System has not been initialized
> Driving on snowy or slippery road surface
> Performance-oriented style of driving: slip in
the drive wheels, high lateral acceleration
> Snow chains are attached
When the vehicle is driven with a space-saver
spare tire
*, page 166, the Flat Tire Monitor
cannot function.
Initializing the system
The initialization process adopts the set inflation
tire pressures as reference values for the detec-
tion of a flat tire. Initialization is started by
confirming the inflation pressures.
Do not initialize the system when driving with
snow chains.
Using the button in the turn signal lever
1. Start the engine, but do not start driving.
2. Press the button on the turn signal indicator
as often as necessary until "SET/INFO" is
displayed.
3. Press and hold the button until the display
changes.
4. Press the button as often as necessary until
the corresponding symbol and "RESET" are
displayed.
5. Press and hold the button until the display
changes.
6. Start driving.
Initialization is completed while the car is on
the move, without any feedback.
The initialization is completed during
driving, which can be interrupted at any
time. When driving resumes, the initialization is
continued automatically.<
Online Edition for Part no. 01 40 2 607 490 - © 03/11 BMW AGOnline Edition for Part no. 01 40 2 607 490 - © 03/11 BMW AG
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