BMW is about to add another new model to its rapidly expanding line-up of performance M cars. And, little surprise, the 2015 BMW M4 Convertible will have plenty in common with the coupe model, as well as the new BMW M3 Sedan.
Set to debut at the 2014 New York International Auto Show later this month, the ragtop M4 will be powered by the now-familiar BMW TwinPower 3.0-liter inline-six – here relying on two mono-scroll turbos – that can be paired with either a six-speed manual or a seven-speed M double-clutch transmission.
Redlining at 7,600 RPMs – a significant number for a turbo engine, the package churns out a hefty 425 horsepower and 406 pound-feet of torque and is likely to be at least one of the fastest BMW cabriolets ever, with a 0 to 60 time nudging down around 4.4 seconds with the stick and 4.2 seconds with the DCT. (more…)