I know for a fact from my experience with a rotrex sc set up on my 2002 m3 that the 81 trim is good for 500whp. I am really interested to see what the 91 trim can do !! I would think the 91 trim can make way more than the stock motor can handle.
The rotrex unit is self oiling and has a resivoir that you keep leveled off like power steering fluid and has it's own oil cooler !
Nice job GTM !!! I'm excited about this !
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