Monthly Archives: May 2013

Short Take on the 2013 Dinan S3 BMW 550i

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Autoblog recently got their hands on a 2013 Dinan S3 BMW 550i. While a stock BMW 550i puts out 400 horsepower and 450 pound-feet of torque, Dinan uses bigger turbos, air-to-water intercoolers, a cold air intake, free flow exhaust and exclusive engine management software to get it up to 542 horsepower and 587 pound-feet of [...]