The E90/E92/E93 was the only series ... so expect a mild-hybrid 48V setup instead. Like BMW M, Audi Sport has rejected the idea of putting a four-cylinder engine in its RS cars.

which is sadly one of the iconic BMW cars that never made it to the United States. Compared with the standard E90/E92/E93 M3 engine, the S65 V8 in the 2010-2011 M3 GTS, called the S65B44 ...

So far, there have been six BMW M3 generations, starting with the homologation special E30 in 1989 and its 2.3-liter inline-four engine ... only the fourth-gen E90 series came with a V8 starting ...