The BMW M340i is a performance version of the BMW 3 Series luxury compact car. It features a 3.0-liter turbocharged inline-six engine that produces 382 horsepower and 369 lb-ft of torque, and is capable of accelerating from 0-60 mph in 4.2 seconds. It also features an 8-speed automatic transmission and xDrive all-wheel-drive system. The M340i is equipped with performance brakes, an adaptive suspension, and a sport exhaust and braking system. The exterior of the M340i also has many M Performance styling cues such as the aerodynamic Mirrorcaps, the M rear spoiler, and the M Sport style grille and diffuser.