See also:

Fuel tank capacity
Approx. 22.5 US gallons/85 liters, including the reserve capacity of approx. 2.1 US gallons/8 liters. X5 xDrive50i/X6 xDrive50i: reserve capacity of approx. 3.2 gallons/12 liters. Refuel promp ...

Weights
Never exceed either the approved axle loads or the gross vehicle weight. ...

2007 BMW X3 Review
BMW's compact SUV, the X3, has sparked a parade of competitors from Acura to Volvo, all seemingly aimed at convincing shoppers too rich for a Honda CR-V that, yes, there is a $40,000 alternative. ...