View Single Post
      04-12-2012, 07:02 PM   #19
sensi09
Lieutenant Colonel
18
Rep
1,770
Posts

 
Drives: .
Join Date: Dec 2010
Location: socal

iTrader: (1)

Try and find out what other stock m3s have put up on that particular dyno.

Some won't agree, but a quick run against another m3 will quickly let you know if you're down on power.