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EPISODE 17: M3 & M4 EXPLAINED.EPISODE 17: M3 & M4 EXPLAINED.

EPISODE 17: M3 & M4 EXPLAINED.

4 min reading time

The M Traction Control system in the new BMW M3 and M4.

Just acceleration: In episode 17, BMW M developer Manuel explains the M Traction Control system in the new BMW M3 and M4.

5 April 2021

The epitome of racing feeling in everyday traffic starts a new round. 35 years after the debut of the first BMW M3, BMW M GmbH presents the latest generation of its high-performance automobiles in the premium mid-size segment. Time to introduce the two new vehicles. In the #M3M4explained series, the developers have the floor.

THE NEW M TRACTION CONTROL SYSTEMTHE NEW M TRACTION CONTROL SYSTEM

THE NEW M TRACTION CONTROL SYSTEM

Start the video

BMW M ENTHUSIASTS ASK, BMW M EXPERTS ANSWER.

BMW M3BMW M3
All new BMW M3 and M4 models use an electronically controlled limited slip differential.

Does that mean that the new M3 and M4 has an electronic LSD?

Yes, all new BMW M3 and M4 models use an electronically controlled limited slip differential. Take a look at episode 16 for further details on the rear differential.

Does the MDM come as standard? And is it also available for the manual?

Yes, MDM comes as standard for all M models including the manual transmission models.

Does the M Traction Control come as standard?

Generally speaking, M Traction Control is part of the optional M Drive Professional (option code 1MB) which comes as standard in some markets. Please, refer to your local dealer information.

BMW M4BMW M4
The four individual wheel speed signals are the main sensors used to determine the actual vehicle speed.

What are the main sensors the system uses to determine the car's ground speed?

The main sensors used are the four individual wheel speed signals to determine the actual vehicle speed.

To configure the M traction control, should the DSC be off?

Yes, M Traction Control is available in DSC OFF mode only.

Can the MDM system be turned off?

Yes, DSC / MDM can be switched off completely. (DSC OFF requires a long pressing - approximately 3 seconds - on the DSC button.)

In what settings of the traction and stability control can you engage launch control?

Spoiler alert! Watch out for another episode to come.

HOW TO USE THE M TRACTION CONTROL.

1.

BMW M3BMW M3

Deactivate the Dynamic Stability Control DSC. To do this, press the key beside the gear lever for at least four seconds.
Now open the Setup menu using the key in the central console. Here you’ll find the controls for the M Traction Control.  

2.

BMW M traction controlBMW M traction control

Now you can set your desired level. The higher it is, the less rear wheel-slip the system will allow. Which means the less the car will drift. M Traction Control can thus serve as an effective aid to traction – for instance to accelerate faster out of bends on racetracks.

3.

BMW M traction controlBMW M traction control

If you select a low level, the slip control is opened wider. The ensuing higher level of slip on the rear wheels enables the engine torque to make the car oversteer and start drifting. Thanks to the ten-step system, you can approach a complete oversteer cautiously and gradually. There’s more info in our How-to on the BMW M Drift Analyser.

 

Enjoy your driving and drifting!

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