Originally Posted by 335inVA

Nice list KrisL, but I would modify item #9 to read: "BMW engines are tuned very well from the factory. It's very difficult to get more than a few horsepower out of intakes, exhausts, chips, headers, etc. (the newer the car, the more true this is). Unless, of course, you're talking about the N54 twin-turbo, in which case, completely disregard what I just said!