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:

    Ventilation in rear
    Ventilation in rear 1 Use the thumbwheels to smoothly open and close the air vents 2 Use the lever to change the direction of the air flow ...

    Safety
    Both the coupe and convertible have front airbags plus side-impact airbags built into the front seats. As required of all 2012 models sold in the U.S., the 640i has standard antilock brakes and an ...

    Safety
    Neither the Insurance Institute for Highway Safety nor the National Highway Traffic Safety Administration has tested the 2007 X3. Standard safety features include four-wheel-disc antilock brakes, ...