Quote:
Originally Posted by REInvestor
I also had to educate my dealer on the 7RR package. They were clueless. Anyways, I'm looking forward to being able to tune my 50i to about 500hp as well. I've heard that some tuning(ECU, ect..) can actually increase your fuel economy. Are you guys aware of that?
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Yes, I bumped my 335xi from 315 to about 400 hp with Dinan ECU and exhaust and saw definate increase in mpg. And I put down 327 rwhp on the dyno.
It was fun. I have no idea whether a TT V8 will respond like a TT 6 cylinder.