Originally Posted by f1swk
returned 43.9mpg on my first 100mile round trip sitting at 75 on the cruise control not bad
That's encouraging. I have noted the combined MPG for the Xdrive 30d has been given as 52.3 compared t0 55.4 with the 0-62mph as 5.4sec. compared to 5.6sec or rearwheel.