The BMW M4 Convertible is a high-performance luxury convertible produced by German car manufacturing company BMW. First introduced in 2014, the M4 Convertible is a two-door variant of the BMW M4 coupe, and is a part of BMW's fifth-generation of the 3 Series model range. It is powered by a 3.0-liter, twin-turbocharged straight-six engine, and is available with either a six-speed manual or seven-speed dual-clutch automatic transmission. The M4 Convertible also features the BMW M Division's signature all-wheel-drive system, Adaptive M Suspension, and a unique styling package featuring aggressive bodywork and aerodynamic enhancements.