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EPISODE 03: BMW M3 & M4 EXPLAINED.EPISODE 03: BMW M3 & M4 EXPLAINED.

EPISODE 03: BMW M3 & M4 EXPLAINED.

3 min reading time

The Tyres of BMW M3 and M4.

Frank, responsible for tyre development, explains the possible tyre combinations on BMW M's new high-performance vehicles.

15 January 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.

In episode three, Frank, who is responsible for BMW M3 and M4 tyre development, explains the possible tyre combinations for the new BMW M high-performance vehicles and provides an insight into the complex tyre development work. In addition, Frank shares his insider knowledge with the M community. We publish an excerpt from the questions and answers.

BMW M3 Sedan:
CO2 emissions combined in g/km 231–227 (WLTP)
Fuel consumption combined in l/100 km 10.1–10.0 (WLTP)
BMW M4 Competition Coupé:
CO2 emissions combined in g/km 223–219 (WLTP)
Fuel consumption combined in l/100 km 9.9–9.7 (WLTP)
THE TYRES. BMW M3 & M4 EXPLAINED.THE TYRES. BMW M3 & M4 EXPLAINED.

THE TYRES. BMW M3 & M4 EXPLAINED.

Start Video

BMW M ENTHUSIASTS ASK, BMW M EXPERTS ANSWER.

Tyres from the BMW M3.Tyres from the BMW M3.

What is the pressure difference between the street and the race track tyres?

For road legal use, the pressure for street and race track tyres is the same as they have the same load index. For racetrack use, the tyre pressure needs to be adjusted to track, temperature and driver requirements accordingly.

Can we put 295/30 tyres at the rear?

With the standard rear rims this is not suitable. However, the M Performance accessory wheels, styling 1000M, with 295/25-R21 tires will be available.

BMW M3 and M4.BMW M3 and M4.

Is it necessary to use star marked tyres to get the whole BMW guarantee?

No. But only star rated tyres guarantee the M handling experience.

If the tyres are bespoke to BMW what is the difference between the Cup 2s?

The star-rated Michelin Cup2 tyres are exclusively developed and fine-tuned for the new BMW M3 and M4 and its staggered wheel setup.

Front wheel of a BMW M4.Front wheel of a BMW M4.

Are tires developed in conjunction with the alloy development or afterwards?

Tire development and its adjustment to the desired vehicle characteristics is a very complex process. Therefore, it starts quite early with rims that are identical to the upcoming series rims dimension-wise. During development, the performance of tires and rims are optimized in parallel.

Which wheel/tire size combo is the best to appreciate all the effort that went into development?

For handling and track performance, I would recommend the 19"/20" combinations.

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