System limits

Sudden serious tire damage caused by Sudden tire damage
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.

The system could be delayed or malfunction in the following situations:

▷ When the system has not been initialized.
▷ When driving on a snowy or slippery road surface.
▷ Sporty driving style: slip in the drive wheels, high lateral acceleration.
▷ When driving with snow chains.

When driving with a compact wheel, the Flat Tire Monitor is unable to function.

    See also:

    FTM Flat Tire Monitor
    The concept The system does not measure the actual inflation pressure in the tires. It detects a pressure loss in a tire by comparing the rotational speeds of the individual wheels while moving ...

    Contacts
    ...

    Tire inflation pressure values up to 100 mph/160 km/h
    320i 328i 335i ...