The F80 M3 CS doesn’t normally fly beneath the radar—however this one one way or the other did. Painted in Lime Rock Gray Metallic and completed with motorsport-grade {hardware}, it appears prefer it simply rolled out of a secret M division check facility. However it didn’t. It got here out of European Auto Supply in Southern California. And what makes it particular isn’t simply the colour or the carbon bits—it’s the truth that it runs the Nitron’s all-new elec-TRON R3 coilover system.
Nitron has been quietly creating this electronically adjustable suspension setup to combine immediately with BMW’s manufacturing unit Digital Damper Management (EDC). Translation? You possibly can management the brand new coilovers by means of your iDrive display screen like inventory—besides they’re race-grade, totally adjustable dampers. And this M3 CS is the testbed.
The proprietor didn’t cease on the coilovers, both. The automobile’s suspension is totally dialed in with SPL’s full catalog beneath. We’re speaking arms, hyperlinks, bushings—all precision elements that sharpen the chassis. And to ensure the again finish stays planted beneath throttle, a Turner Motorsports diff brace was thrown in for good measure.
This factor is supposed to be pushed—exhausting. So it’s not a shock to see a full CSF cooling bundle beneath the hood, together with upgraded radiators and warmth exchangers. There’s additionally an Eventuri consumption system feeding cooler air into the S55, and extra importantly, a VTT crank hub equipment ensuring all the things stays in a single piece when issues get spicy. Anybody conversant in S55s is aware of that mod isn’t for present. It’s insurance coverage.
Inside, the automobile trades the manufacturing unit consolation for a severe improve in suggestions. Sparco QRT-C Efficiency Carbon Fiber seats now maintain the motive force and passenger tight, mounted to Macht Schnell Clubsport mounts. Proper now, they’re naked carbon, however EAS says they’ll be getting customized upholstery quickly to carry a little bit of civility again. Not that this automobile cares. A Madtrace/JQWerks race steering wheel provides much more motorsport taste—full with programmable controls and simply the correct amount of drama.
It rides on a set of Titan 7 T-M20 solid wheels, chosen for energy and weight financial savings, and hides a set of Brembo Pista FF entrance brakes behind them. Rear calipers are on the best way. For now, the automobile already stops like a doorstop hitting concrete—EAS says brake fade isn’t even a dialogue level anymore.
The mission continues to be evolving. The seats will get completed, the rear brakes are on their manner, and we suspect there are a couple of extra issues coming down the pipeline. However even because it sits, this F80 M3 CS is a critically well-executed construct with actual imaginative and prescient behind it—not only a buying listing of elements.
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