According to sources, the operating fluids capacities of this version of 2012 BMW X3 xDrive20i Steptronic are as follows:
Engine lubricant oil capacity:
5.8 liter / 6.1 U.S. qt / 5.1 imp. qt
Engine coolant capacity:
7.5 liter / 7.9 U.S. qt / 6.6 imp. qt
Fuel tank capacity:
67 liter / 17.7 U.S. gal / 14.7 imp. gal
So I will shut up again.....