By Joe Bruzek on November 20, 2011
A high-performance M version returns to the 5 Series lineup for 2013 after taking a few model years off.
Visual changes are pretty typical for an M car with a gaping front lower grille, quarter-panel vents and quad-tip exhaust. Under the new M5's hood is a twin-turbocharged V-8 replacing the previous M5's V-10.
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Road Test Editor Joe Bruzek covers Cars.com’s short-and long-term fleet of test cars and drives a 1998 Pontiac Firebird Trans Am. Email Joe