Originally Posted by
v man
You say that but when the cosworth starts to smell funny and get hot at 130 the m3 will whistle past and keep going so pointless IMHO
And my e36 3.0ltr although had a bit done to it never had stage 3 cosworths give me any trouble
But from I'd say 30 to 100 against a standard m3 the cosworth will be very slightly quicker
After that the m3 will pull its pants down
Guess depends who builds it when mine had 350 it would see the end of the speedo easy! And as I say would piss m3's