They claim 60bhp on a stock engine. It was about that on my MINI JCW. Completely transformed the engine. They can be a bit temperamental (the connections normally) but with the Bluetooth dongle you can use you smartphone to change maps and display many gauges. You are probably right on the maxed thing though. I'll call them and report back.
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"I would rather cry in a BMW than smile on a bicycle." Ma Nuo
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