The BMW S65 was an extremely popular engine that powered the M3 from 2007-2013. In that time, it won the International Engine and Powertrain of the Year Award for Best 3-liter to 4-liter Engine five years in a row, from 2008 to 2012. It isn’t hard to see why, either. The S65 was a 4-liter V8 that produced more power than any engine the company had used in the M3 before. It wasn’t necessarily the most powerful engine BMW ever
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