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BMW Gears Up For Automated Shift Assistant

BMW Motorrad is preparing to launch their Automated Shift Solution which is designed to simplify and enhance the riders riding experience. It is expected to feature on new BMW motorcycles from early next year.

The Automated Shift Assistant features a functional design in which two electromechanical actuators automate the clutch and gearshift of the six-speed transmission – the main difference to a conventional shift assistant. There is no need for a hand lever to operate the clutch manually. Starting, stopping and manoeuvring are made easy with the Automated Shift Assistant.

Riding with the Automated Shift Assistant also becomes more enjoyable thanks to fast, rev- and load-adapted shift sequences and the resulting precise gear changes. The rider’s workload is reduced, which makes riding even more enjoyable.

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In addition, the Automated Shift Assistant creates an even more direct connection with the powerful boxer engine, as the precise clutch actuation makes it even easier to control the riding experience via the throttle grip and gearshift lever.

In ‘M’ shift mode, gear changes can still be made by foot control, enabling the rider to decide when to change gears.

In ‘D’ shift mode, the Automatic Shift Assistant comes into its own. Shift points are automatically selected by the engine control unit. In both “M” and “D” modes, the rider benefits from perfectly executed gear changes with a smooth interruption of traction. The result is efficient motorcycle acceleration and increased riding stability.

When shifting up, for example, the jolt associated with a classic manual transmission with a manual clutch is largely eliminated, as is the risk of helmet contact between rider and passenger.

Downshifts are also designed to be as smooth as possible, minimising chassis disturbances. Specific characteristics of the automated shift function are assigned to the different riding modes to ensure perfect shift behaviour in each riding situation.

In combination with Active Cruise Control or front collision warning, the networking of functions also brings the future of motorcycling to life. In difficult riding situations, using the clutch and throttle takes considerable concentration.

When travelling with luggage and a passenger, using the clutch and gearshift takes up resources. The rider remains in control and has more freedom in every riding situation with the Automated Shift Assistant. Riding becomes a more relaxed and enjoyable experience.

The powerful boxer engine enables almost effortless pulling away on uphill gradients, for example, thanks to automated clutch operation, which also pays dividends in better vehicle control off-road or on difficult surfaces.

Riding pleasure takes on a whole new meaning when selecting the automated D mode. Optimally selected gear changes create a new riding sensation with a more intense riding experience. The right gear is automatically selected according to the rider’s individual riding needs, resulting in a harmonious and smooth experience.

The Automated Shift Assistant is the logical and technical evolution of the BMW Motorrad Shift Assistant Pro. Two electronically controlled electromechanical actuators operate the clutch and gearshift, enabling easy starting and automated gear changes. The rider’s shift request is transmitted to the control unit via a gearshift lever sensor, which is actuated by the conventional foot-operated gearshift lever.

Additional sensors determine the revs of the transmission input shaft and the clutch position. These values are transmitted to the TCU (Transmission Control Unit), which is closely linked with the engine control unit, for modelling and control of the clutch, shift actuation and status.

The clutch is operated by an electro-mechanical actuator combined with a hydraulic system with a direct hydraulic connection between the clutch master and slave cylinders. The actuator regulates the required clutch slip, engages the clutch when changing gear and disengages it when stopping.

In manual shift mode “M”, the rider can move the gearshift lever in the desired direction in the typical manner. If the revs in the desired target gear are within the maximum or minimum rev range, the shift is made directly. If the engine revs fall below a gear-dependent minimum speed, downshifts are also performed automatically in manual mode. This prevents the engine from stalling.

In shift mode “D” the gears are changed automatically depending on the riding mode, engine revs, throttle position and lean angle parameters. Gears are shifted according to the riding situation and dynamic requirements.

News Desk
News Desk
The News Desk is the hub of Two Wheel Addicts. It's from here that our team of writers, journalists and photographers bring you the latest happenings from the world of motorcycles.

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