See also:

Tire inflation pressures for X6 xDrive50i
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Tail lamps
▷ Turn signal, backup lamp: 21-watt bulb, H21W. ▷ Brake lamp, brake force display: 21-watt bulb, P21W ▷ Tail lamp: LED technology. Contact your service center in the event of ...

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. In the ev ...