i know all this info is more or less out there if you want to go dig it out yourself but its always good to follow a local discussion on the topic
i was thinking of getting a PB on stock a m235 ( i did replace the sport exhaust with a Remus axle back) just for $500 worth of easy map 1 40-50 hp kicks. can just sell it on if it doesnt do it for you. but it sounds like flash tune is really the best way to go. its a $80k+ car give it the respect it deserves.