The M brothers come with a lot of fancy features, yet traction control is often overlooked

From the M Drift Analyzer to the two brake settings and the second M mode further split into Road, Sport, and Track, the new BMW M3 and M4 are brimming with geeky tech meant to boost one thing and one thing only: the driver’s pleasure. At the same time, the traction control system developed by BMW M is a brand new concept that comes to improve on the old one used in the previous M3 and M4.

Here's How The Traction Control In the 2021 BMW M3 and M4 Works Exterior
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The number one job of a traction control setup is that of a nanny. As in, it is there to keep the driver safe by intervening whenever things are about to go out of hand grip-wise.

It’s also true that in the M3 and M4, BMW harnessed the power of its new electronic traction control setup to offer the M Drift Analyzer, however, this does not change the primary purpose of the TC: which is safety before fun.

Here's How The Traction Control In the 2021 BMW M3 and M4 Works Exterior Wallpaper quality
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We already know that the new M Traction Control is a 10-stage system that BMW wanted to perform much better than the previous one.

As a result, it is completely new and six to 10 times faster than the one it replaces. What does that mean? It simply detects slippage under low-grip conditions a lot faster than its predecessor while also reacting in due time, cutting down or sending torque to the wheels depending on the situation.

Here's How The Traction Control In the 2021 BMW M3 and M4 Works Exterior Wallpaper quality
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The video below, hosted by Manuel – who was involved in the development of driving dynamics control systems for the new BMW M3 and M4, shows exactly how the two traction control systems work side by side – in the new M3 and in the previous model.

Tudor Rus
Tudor Rus
Assistant Content Manager - Automotive Expert - tudor@topspeed.com
Tudor’s first encounter with cars took place when he was only a child. Back then, his father brought home a Trabant 601 Kombi and a few years later, a Wartburg 353. At that time, he was too young to know how they worked and way too young to drive them, but he could see one thing – each of them had a different ethos and their own unique personality. As time went on, he started seeing that in other cars as well, and his love for the automobile was born.  Read full bio
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