The M88/2, however, was the M88 at its very best ... of them were used as test beds to aid the Le Mans effort. The best BMW engine of all time doesn't actually belong to a BMW at all.

The S14 in the E30 M3, the sublime M88 (and S38 derivatives ... Despite its naturally aspirated engine roots BMW does have some form with turbochargers – it won the F1 title with Brabham ...