[Emtoo]

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Does not having any engine hardware changes alter your perception of the cars value?

https://www.bmwblog.com/2023/01/30/n...024-bmw-m3-cs/

According to Head of R&D at the BMW M Division, Dirk Häcker, there were no mechanical changes within the power unit either. The engine in the new BMW M3 CS puts peak torque of 650 Nm (479 lb-ft) on tap from just 2,750 rpm and sustains it all the way to 5,950 rpm. It generates maximum output at 6,250 rpm and tops out at 7,200 rpm. All of these figures were achieved via software tune and by raising the maximum charge pressure of the two mono-scroll turbochargers from 1.7 to 2.1 bar. The power delivery in the M3 CS is also said to be similar to the one in the M4 CSL.

So why there were no hardware upgrades needed for the S58 engine? Häcker says that this particular unit was built from the beginning with different power outputs in mind. And more importantly, it was built to serve as the base for the P58 racing engine as well. “If you look at the P58, we have to dry sump, completely different inlet and outlet, but the mechanical basic construction is from the S58,” says Häcker. “Therefore, the basic concept [of the engine] is adaptable.”

[wowwitsgau]

That post is kinda clickbait/misleading, as the CS does have some very obvious hardware changes, but as for the engine specifically - there are no hardware differences between any of the various trim levels (base, competition, cs, or csl). The only thing that is different is the boost targets, something around 19psi for base, 24psi for competition, and 30psi for the cs/csl IIRC

[ScullyD]

No, there were no engine hardware changes to the M2 CS, M5 CS, or M4 CSL. All of those cars feel vastly different to the cars on which they are based.