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2015 BMW M4 Convertible

Compared to the M3 convertible it nominally replaces, BMW's new M4 swaps the V-8 for the same acclaimed twin-turbo inline-six engine as the M3 and M4 coupe, powering 425 hp and 406 lb.-ft.
of torque via either a six-speed manual or seven-speed dual-clutch transmission. And the new generation sheds 90 lbs. from its M3 predecessor.