Both outlets report that the new M3 will come with more than 510 horsepower, thanks to a slightly uprated version of the "S58" 3.0-liter twin-turbocharged inline-six found in the latest X3 M and X3 M Competition models...
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And the road, known simply as The Winding Course, is a 3.9-mile, 17-corner carnival of constant high-speed, high-lateral g driving that dips and climbs nearly 200 feet over one lap with precious little run-off or room for error, but plenty of .....
