Review: BMW M4 GTS – A future classic?

My name is Didier and I am the proud owner of a BMW M4 GTS. The road-legal race car is everything I ever dreamed of. Over time, I’ve had the opportunity to own an M3 F80 and M3 F80 Competition, M2 F87 and M4 F82 Competition, but this M4 GTS holds a very special place in my heart.

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Photo provided by Didier @didierpasschier

I first fell in love with its looks, the carbon fiber Recaro bucket seats, the rear roll bar and the huge carbon fiber spoiler. However, what many may not know is that the latter is manually adjustable, with three different positions. In its most aggressive position, it can provide 210 lbs of downforce at 183 mph. The front orange splitter can also be extended up to 2.4 inches, but only do this on a track because you’ll tear it off over bumps in the road. When fully extended, it can provide 63 lbs of downforce at 183 mph.

Water injection system

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The engine is another marvel. This is the first ever water injection system in a BMW road car. We’ve already heard a lot about BMW’s water injection system. Essentially, it sprays a high-pressure water mist into the intake plenum. At 145 psi, this mist turns to vapor due to heat, and the energy from this change cools the combustion chamber considerably. This allows BMW to increase turbo boost pressure from 17.2 psi to 21.6 psi, without the risk of engine knock.

The system operates in temperatures as low as 41 degrees Fahrenheit. But if you run the car without the system, the engine reverts to Competition Package spec, with 444bhp. With the system engaged, the M4 GTS develops 495 hp.

The chassis has also had some tweaks and the suspension has been lowered and beefed up – more on that in the coming weeks. Thus, the M4 GTS will behave like a real racing car.

An excellent track weapon

Round 17 – Pre-Season Test Day – Spa-Francorchamps // April 14, 2021 // Copyright © Curbstone Track Events 2021 // All rights reserved // www.curbstone.net // Bas Fransen Photography

The ride is nothing compared to a “normal” BMW M3 or M4. Even the Competition versions do not come close to the M4 GTS. The front has a lot more grip and the steering is much sharper. It gives a lot of confidence when pushing hard on the track, exactly what this car is made for. Also, the driving position in this car is absolute perfection.

Also, the extra 50 hp doesn’t make much of a difference in real-world situations. But the way the M4 GTS delivers its power is much more aggressive. That’s what we want, an extreme M product like we’ve never seen.

I have already done quite a few laps, mainly on the famous Formula 1 circuit of Spa-Francorchamps. And even today, the M4 GTS still manages to give me goosebumps. Pushing all day on the track is what this car wants!

A wrap inspired by Jeff Koons’ M3 GT2

Round 17 – Pre-Season Test Day – Spa-Francorchamps // April 14, 2021 // Copyright © Curbstone Track Events 2021 // All rights reserved // www.curbstone.net // Bas Fransen Photography

The stock color is Black Sapphire Metallic, but I thought this car deserved a more “screaming” look. The inspiration behind this wrap came from Jeff Koons’ magnificent BMW Art Car #17 – the BMW M3 GT2. The BMW M4 GTS is the ideal car to create a new version of this work of art.

Photo provided by Didier @didierpasschier

Therefore, I teamed up with Nathan Haetty, famous for his extreme designs on sports cars. Of course, the result was stunning and exactly what I was looking for. Over time, the M4 GTS received a few other upgrades. I replaced the M4 GTS spoiler with the one from the M4 GT4 and added the M4 GT4 canards and M4 GT4 brake cooling ducts. Of course, all of these parts are carbon fiber and they look right at home on the M4 GTS.

The BMW M4 GTS is likely to become a future classic, especially since pure racing cars with a combustion engine won’t be around for long. But even if they still existed, the BMW M4 GTS is the one I will keep forever.

[Photos provided for media use by Curbstone https://www.curbstone.net | Bas Fransen Photography] [Car Owner: Didier @didierpasschier]

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