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Indication of a flat tire
The warning lamp lights up red. A message appears on the Control Display. In addition, a signal sounds. There is a flat tire or a major loss in tire inflation pressure. Reduce your speed and ...

The concept
The tire inflation pressure is measured in the four mounted tires. The system notifies you if there is a significant loss of pressure in one or more tires. ...

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