See also:

2009 BMW X3 Review
There is very little about the 2009 BMW X3 that hasn't already been covered by Cars.com; the 2007 model that Kelsey Mays reviewed is essentially the same vehicle that's offered for 2009. What has ...

Switching off automatically
System switches off: above approx. 9 mph/ 15 km/h. Switch on the system again if necessary. ...

Functional requirements
The system must have been initialized when the tire inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Initialize the system after each correction of th ...