See also:

Tire identification marks
Knowledge of the labeling on the side of the tire makes it easier to identify and choose the right tires. Tire size Speed code letter Q = up to 100 mph or 160 km/h T = up to 118 mph or 190 km/ ...

BMW X5 xDrive35i: BMW's Turbocharged Inline-6 with Valvetronic.
BMW X5 xDrive 35i receives a brand new inline-6 gasoline engine, internally dubbed "N55." The new engine features the same 3.0-liter displacement and 300 horsepower output of its predece ...

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