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500whp

  1. E39 M5 and E52 Z8 Discussion
    Just completed my 4th customer build a week ago, so here's some content for you to enjoy. I have a few other builds I can post when I'm not lazy lol 2000 E39 M5 98k miles 575whp/452wtq @ 8.7psi ENGINE SHR Class I supercharger kit (ESS VT1-560 based) SHR Fueling kit SHR Short velocity stacks...
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