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Originally Posted by Serious 5!
any know the HP/Torque gain?
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On my M6 GC, this tune makes my car a beast. I also have full exhaust, midpipes and downpipes and run the car on 100 Octane Cam2 Race Fuel. With everything, I'm well over 700HP at the crank and 650TQ. My car also has the Comp Package, so it started off with 575HP stock...or so BMW says. For $500, it's worth every penny.