I just got 360 miles out of a tank. What are you getting? How many gallon tank do we have?

many guys have already posted here: http://forums.bimmerforums.com/forum/showthread.php?t=717616&highlight=mileage

i checked my owner's manual and on page 201, got this info for a 740 (750s hold more): 22.5 gallons with 2.6 in reserve