BMW i3s TRACTION CONTROL SYSTEM.

Cars & Technology05 Jan 2018



The BMW i3 and BMW i3s have been setting standards worldwide for all-electric driving pleasure. Not only is the increased output of the motor in the new BMW i3s a key factor, but also the innovative traction control system that has been adapted specifically to the instantaneous power delivery of the BMW eDrive system. Presented for the first time in the new BMW i3s, the system improves traction and driving stability in adverse weather and road conditions when pulling away, in active Brake Energy Regeneration phases and when accelerating out of tight corners.

At the heart of this innovation is the control system’s 50-times-faster routine, made possible because – unlike conventional driving stability systems – the control process is now calculated directly in the powertrain instead of in a remote unit requiring long signal paths.

This new development provides further evidence of BMW i as a pioneer of innovative technology within the BMW Group

“With their high levels of torque and instantaneous responses to every movement of the accelerator, electric motors already make significantly higher demands on driving stability systems than conventional power units,” explained Peter Langen, Head of Chassis Development at BMW. This is why the BMW engineers developed a new system geared specifically to tackle the demands of electromobility.

The shorter control cycles aren't just beneficial for all-electric cars; they also optimise traction, driving stability and driving dynamics in combustion engine vehicles. The innovative system will therefore be fitted in all future BMW and MINI models with front, rear and all-wheel drive to deliver noticeably greater assurance and driving pleasure when road conditions make pulling away difficult.

Find out more about the BMW i3s here.



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