Can you update to the 6spd gearbox so you could run taller gearing like a 3.94? Also when I rip mine apart I will get that ZHP weight issue straightened out because it is currently bs.
Originally Posted by vaio76109
I think we can make right at 240whp at the very best, Sean's car makes 242whp. We'll have a slight torque advantage, but we're 160 lbs heavier(non ZHP).
Boston BMWCCA chapter