Unacquainted with racing, however newly accustomed to the M2 Racing that simply received launched? You’re most likely questioning why BMW packaged the B48 inline-four with the race automobile versus 3.0-liter six from the roadgoing M vehicles. In spite of everything, M stands for Motorsport, doesn’t it? The B48 four-cylinder isn’t even seem in any full M vehicles. Because it seems, BMW has completely legitimate and downright good causes for staying away from the S58 six-cylinder we all know and love.

Why the M2 Racing Makes use of a 4-Cylinder Engine

2025 BMW M2 RACING G87

So, what offers? Why would BMW M — ostensibly, the Motorsport division — decide to make use of a much less unique and arguably much less highly effective motor for a full-blown race automobile? The chief cause, for sure, is working prices. The B48 is simpler and less complicated to switch and restore components on in comparison with the S58. In racing, breaking issues comes with the territory. BMW says the M2 Racing “combines straightforward operability with low working prices,” and plenty of that comes all the way down to their resolution to make use of the B48. The B48 can be lighter than the S58; and if you happen to’re accustomed to racing or going quick typically, that’s most likely all you’ll must learn. The lighter engine additionally permits BMW to maintain their declare that the M2 Racing has been optimized for “efficiency, drivability, tire put on, and mileage.” Keep in mind, partially because of BMW’s engine selection, the M2 Racing suggestions the scales at simply 1,498 kg (3300 kilos); that’s round 500 kilos (226 kg) lower than the streetcar.

2025 BMW M2 RACING G87 (2)

Choosing the two.0-liter engine additionally offers BMW racing followers extra choices. Keep in mind, race occasions just like the 24H Collection and Dutch Supercar Problem prohibit vehicles primarily based on engine displacement and/or aspiration. The M4 GT4/GT4 EVO already depends on a 3.0-liter mill. By bringing a brand new race automobile to market with a decrease displacement engine, prospects can now race in sequence that may have in any other case been off-limits to a BMW race automobile. That — mixed with the cheaper price and decreased working prices — means BMW can promote extra race vehicles. It additionally means extra prospects can get the chance to race. Discuss a win-win.

What Would BMW Have Gained With the S58?

The B48 additionally makes a ton of sense once you notice there may be little gained by swapping within the S58 for any racing software. The S58 weighs extra and energy is usually restricted in every class. Usually, the M4 GT4 is already undertaking something that an M2 Racing with the S58 would’ve achieved. The M2 Racing is positioned because the grassroots manufacturing unit race automobile. And the B48 was the right engine selection for that software.