HARD!!!
The 2015 BMW M4 Convertible, due to get its first physical unveiling at the New York Auto Show later this year.Sitting on top of darkened two-spoke rims, slender tires, and taught, low-slung suspension. Meanwhile, under the bonnet it’s got that knee-quivering 3-liter, 425 bhp twin turbo engine – the only difference being you can now hear every bit of it growl as you sink your foot down. Sales of the vehicle will begin in 2015,