at 3600 RPM. Applications: 2002-2004 E65 745i 2004 E60 545i 2004 E63/E64 645Ci BMW S85 The BMW S85 is a DOHC 40-valve V10 automotive piston engine found on the E60 M5 and E63 M6 . It was inspired by BMW's formula 1 racing division and shares many components and technology that