Originally Posted by ZIPNBYE
With the exception of the short over-boost function, the 1 M Coupe has the same power rating as a 135i with BMW's Power Kit. Every aftermarket reflash is higher than that.
ya thats not correct at all on the bmw power kit vs 1m, i will agree on a 135i you'd be much better off with all the after market kits out there.
i doubt that a 1m ecu would work in a 135 too many differences.