My friend bought a new 2004 E46 M3 3.2 Liter 333 hp. At that time I had a stock ECU, K&N filter, Lexus AFM with 550' and a 60 trim with 10deg clip CT-26 and crush bent exhaust with ebay muffler. Unbeknowst to me I also had a mild BHG. I had mbc set at 15psi. We line up around 40 on the street...