Have to agree -- didn't buy the beast to worry about mileage. Notwithstanding the fact that would have been good if BMW had found a way to fit a bigger tank into it; seems like the only thing that slows it down is a fuel station....Now that's funny!
The other day somebody asked how's the milage on the M5. I replied that is sucks, and if I find it isn't sucking as much as it should, I may have to adjust my driving style.
Dave