As well as the M5, the S85 was also available in BMW M's sister model, the M6. It was never used in another BMW model outside of the M5 and M6, although its design formed the basis of the S65 V8 ...

Anyone who's had the pleasure of hearing the BMW S85 sing will know it was a remarkable - if fragile, in hindsight - piece of mechanical art. With that as the crown jewel of the MF5 twins ...

Since it was released during a decade when the automotive industry was yet to become obsessed with zero emissions, the M6 received BMW's first, and so far only production V10. Codenamed S85 ...