The BMW M 6-cylinder engine: thoroughbred performance machine

Already known from its application in the award-winning BMW M3 Series, this engine has been aptly characterized as “ferociously powerful” by Car and Driver (May ‘03) and “an engine that likes to rev” (Road & Track, December ‚03). The British magazine Engine Technology International has named it Best Engine of the Year for 3.0 to 4.0 liters for five years in a row. Now this remarkable unit gets to power a lighter, even more agile BMW than the M3s.

Statistically speaking, the results are dramatic: delivering 330 horsepower at a high-revving 7900 rpm, the internally designated S54 engine propels the 3200-pound Roadster to 60 mph in just 4.9 sec. Maximum speed is electronically limited to 155 mph; speculation about what the top speed might be without the limiter will intrigue enthusiasts, but BMW makes…

 Author: Text Source - BMW Press Club