The lightweight 660HP M5 CS takes on the monstrous 900HP M5 F90 HPT. Street-based drag racing, V8 twin-turbo chaos, and full ...

4 Valve per cylinder, counter rotating crankshaft, semi dry sump, liquid cooled ...

4 Valve per cylinder, counter rotating crankshaft, semi dry sump, liquid cooled Water Cooled, 2-cylinder, four-stroke engine with four cam-operated valves per cylinder, two overhead camshafts and ...