Hi, I'm new to this forum, I have just bought a 2001 331D mini and put about 5 hours on it, it burnt about 7 gals of diesel. Does that seem about right? The 331 runs perfect has 2650 hrs, and is in very good shape. I used to own a 1998 325 mini and I could run it all day (8 hours) on 5 gals.