I just want to say I have a 2006 Supercharged M3....440HP....and I got SMOKED on the autobahn by two tuned 1M's.....I recommend putting the Stage 3 JB Tuner on it right away and enjoy the extra 80HP
http://www.burgertuning.com/
If I can sell my e46 I might just head down to Bavarian Motors and get on the wait list
