Blimey, and we thought £1.5k for ~30BHP on the Zed was bad money! (new ECU and remap will net you ~30BHP). FI cars are meant to be cheap to tune, did noone tell BMW that?!
As the others have said, theres always something quicker out there. When I was at TGM Sport over the weekend, an interesting lad came in. He was banging on about how his mate has a Nova that can do quarter miles quicker than a Lambo, until on his second run that weekend (against a Lambo again), he blew the engine wide open. The Lambo driver just drove home Some people just dont get it