Originally Posted by
markiemark
Thanks for the info I'm just getting back into it and the car I picked up has a m3wc was told its a fast motor and has just over gallon on it. Will there be a new .12 this year?
WC is already replaced by the WCS :-).... But basically the change is shims under the sleeve, WC has no shims, WCS has a 0.1mm shim... Gives you a little more high end RPM, with a little sacrifice on the low end torque....