suggestions??? Have many more ?'s also.? I also have many more ?'s, so could you also provide an email address.

what year are we talking about??
the newer ones are pulling 230hp already,
you want yours to pull 430hp??
i think you would have to throw a hell of a lo of money at it to get that sort of power from the 3litre engine,
your best bet, if you are even remotely serious would be to put the 550i engine in, and thats only putting out 360hp,
but if you turbo'd or supercharged it, i would guess that you could get into the mid 400hp range