ESS supercharger kits (rated 650-680hp) and Troy Jeup/Dinan stroker engine builds appear in modified examples, often requiring fuel system upgrades and reduced compression for reliability.
Supercharger and engine builds
BMW E60 M5 · modifications
ESS supercharger kits (rated 650-680hp) and Troy Jeup/Dinan stroker engine builds appear in modified examples, often requiring fuel system upgrades and reduced compression for reliability.