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
575whp/452wtq @ 8.7psi
SHR Class I supercharger kit (ESS VT1-560 based)
SHR Fueling kit
SHR Short velocity stacks...