What is a BMW SMG Transmission?
SMG stands for Sequential Manual Gearbox. It’s essentially a transmission capable of functioning as an automatic, or functioning as a manual transmission. The innovation is that, when functioning as an automatic, the driver does not need to operate a clutch pedal, simply designate desired gear. This is done by a traditional stick, or a set of paddle shifters attached to the steering column or steering wheel, depending on the model BMW. While automatic mode is more fuel efficient, manual mode provides greater engine performance while removing the human component and its capacity for error. This helps to ensure a longer life to the transmission and all its related parts. Structure The transmission design itself is not all that different from a normal automatic transmission. There’s a number of planetary gear sets including a number of brakes and clutches, connected to valves, which are in turn connected to the body valve. The back of the planetary gear assembly is connected to the flywhe
