How does BMW SMG work?

The Sequential M Gearbox is essentially a six-speed manual gearbox where the clutch and gearbox are operated electro-hydraulically by a computer in response to the driver pulling on two paddles behind the steering wheel, or by pushing a floor shifter forwards or backwards. There is no clutch pedal.

What is BMW SMG gearbox?

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.

What is a BMW SMG pump?

The SMG pump (pictured below) is similar to an ABS pump in both appearance and function, but controls the hydraulic pressures in the transmission and not the brake system. This is a common and very strong indicator that the pump assembly itself has indeed failed.

What does SMG stand for in a car?

by John Albers. 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.

How does a BMW SMG transmission work?

How Does a BMW SMG Transmission Work? When in automatic mode, the transmission functions normally. Power passes through the flywheel to the planetary gear sets. The gear sets spin in a certain configuration based on what clutches and brakes connected to them have engaged.

What is an SMG gearbox?

SMG on the Z4 is a 6 speed manual gear box with an automated clutch. Gear changes can be made in auto mode where the car decides or in manual mode where you use paddles or the gear stick. SMG cars come with steering wheel paddles as standard, there are not many SMG’s around.

Is the SMG worth it?

The SMG is a manual box with automatic actuations. It is designed for those who want F1 Style changes – which means they can be jerky and cumbersome to use in everyday driving – the computer trys and emulate an autobox. People have reported though how good it is when you’re on it and how bad it can be in stop start town environment.