The BMW M5 CS hits the dyno with 799HP and a massive 1125NM after receiving custom downpipes, a bigger intercooler, and an ECU tune. Full throttle dyno pulls put the twin turbo V8 under sustained load ...

The 1,200HP BMW M5 CS takes on a lineup of seriously modified performance cars, including a 1,200HP Porsche 992 Turbo S, 1,040HP Honda Civic AWD, 800HP BMW X3M, and Porsche GT3 RS. With huge power and ...