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BMW reveals 2015 M4 convertible ahead of New York Auto Show debut
BMW reveals 2015 M4 convertible ahead of New York Auto Show debut

Just in time for some high-speed topless cruising, BMW has announced details on its all-new M4 convertible ahead of its world debut at the New York Auto Show. The 2015 model is mechanically identical to BMW’s M3 sedan and M4 coupe and features a folding hardtop roof like the one on the more average 435i convertible we drove in February. As with its sedan and coupe brethren, the M4 convertible has a new, high-revving, twin-turbocharged inline six-cylinder engine. With just 3.0-liters it pumps out 425 horsepower and 406 pound-feet of torque. PHOTOS: BMW's 2015 M4 convertible The standard transmission will be a six-speed manual gearbox, which is good for a zero-60 mph run...

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