The BMW M3 Convertible is a two-door, four-passenger high-performance luxury convertible manufactured by BMW. It is the convertible version of the BMW M3 Coupe and was first introduced in 2007. The M3 Convertible features a 3.2-liter straight-six engine with either an optional 6-speed manual or 7-speed dual-clutch automatic transmission. It also features a luxury interior, an electronically adjustable suspension, and a variety of driving aids, such as traction and stability control.