The G-Power tuners weren’t satisfied with the V8 414hp stock M3 engine. So they decided to strap on a supercharger and boost output to a tire-vaporizing 635hp. Lets say you’re not happy with only 635hp and want something bigger than a V8. For the right price, they will replace the V8 engine with the V10 one from the M5 Hurricane, which outputs 730 h
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