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….

Check out the original article: [Slashgear]How Reliable Are BMW S65 Engines? Here’s What Owners Have To Say