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Meet the Manhart MH4 900: The M4 CSL that’s more powerful than a McLaren P1

By Mathilda Bartholomew | June 3, 2025

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The Manhart MH4 900 is a 909bhp beast based on the BMW M4 CSL — more powerful than a McLaren P1, loaded with carbon upgrades, and seriously aggressive. Here’s everything you need to know.

Meet the Manhart MH4 900 — basically a G82 M4 CSL that’s been seriously supercharged to blast out a crazy 909bhp straight-six engine. Yeah, that’s even more power than a McLaren P1. Just a little more, but still… wow.

That extra punch comes from upgrades like a new intercooler, forged pistons, carbon intake, and beefed-up turbos from TTH. Oh, and it’s packing a massive 878lb ft of torque. This thing could probably create a black hole if physics allowed it.

They haven’t shared 0-60 times yet, but since the regular CSL rockets to 62mph in 3.7 seconds and hits 191mph, expect the MH4 900 to be seriously quick — like, insane quick.

Style-wise, it rocks Manhart’s signature black with champagne accents, which really make the grille pop. The body’s loaded too — an 18-piece carbon fiber kit with new bumpers, aprons, louvres, massive 21-inch wheels, and chunky 110mm exhaust pipes.

Price? Still a mystery. But remember, the CSL was a limited edition that’s not available anymore, so you’ll have to find one first before sending it to Manhart’s workshop in Germany for this wild upgrade.

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