GarageExplainer3 February 2025
The S54: The Last of the Great Bavarian Hearts
Throttle Bodies Over Touchscreens: The S54 and a Lost Era of Driving
01I Refuse to Buy a New Car With a Screen.
There. I said it.
I’ve sat in enough dealerships watching salesmen swipe and tap like they’re giving me a PowerPoint presentation. I’ve seen enough glossy brochures explaining the all-new intuitive interface! like I’ve somehow forgotten how to drive a car with buttons. And I’ve lost count of how many times I’ve been told that this new model is the most engaging version yet!
Engaging? Really?
A 992.2 GT3 allocation? Could probably get one. Would I take it? Not a chance.
For that money, I’ll take a 997.1 GT2 with a six-speed manual, hydraulic steering, and no internet connection—just the way I like it.
Give me a car where I shift my own gears. Where my right foot dictates the power delivery, not some overprotective ECU holding my hand like a nervous babysitter. Give me something mechanical, something alive, something that demands I be a participant, not just a passenger pressing “Start” on an infotainment screen.
And that’s why, when I talk about the S54, I talk about it like it’s a person.
Because it is.
Not in the way modern engines pretend to be—with their piped-in fake sounds and turbocharged torque curves engineered to mimic emotions. No, the S54 is alive in a way only something built before the digital coup d’état could be.
It doesn’t care about algorithms. It doesn’t do over-the-air updates. It has no mode called “Efficient Comfort” or “Relaxed Dynamic.”
What it has is six individual throttle bodies, a cast-iron block that refuses to die, and an 8,000-RPM redline that still, decades later, tingles the spine like an opera singer hitting a high note.
It’s not an engine.
It’s a declaration of independence.
02The Engine That Deserved a Crown
BMW built just over 100,000 S54s, and not one of them was wasted.
Think about that for a second.
Most legendary engines? They have a single defining home. The F136 V8? Ferrari. The RB26? The Skyline. The M97.74? The GT3 RS 4.0.
The S54? It got four.
Four perfect, utterly distinct machines, each bringing out something different in its character.
Photo: BMW AG
The E46 M3: The Icon
This is the one everyone thinks of first—the bedroom wall poster, the benchmark, the legend.
The E46 M3 was peak BMW. Built with a scalpel, not a committee. The body lines? Timeless. The stance? Perfect.
It was sharper than the E36, but still raw in all the right ways—a car that kept just enough of the old-school experience while introducing a little more refinement. A perfect middle ground before BMW lost the plot.
And at its heart?
The S54, wailing from idle to redline in one unbroken, glorious crescendo. The last inline-six before turbochargers stole the magic, before artificial enhancement replaced mechanical honesty.
There are many E46 M3s and this one is mine. Delivered with 8 miles on the clock.
People say the E46 M3 is the best M3 ever made. I don’t argue with them.
Because they’re right.
The Z3 M Coupe & Roadster: The Outlaws
If the E46 M3 was the gentleman racer, the Z3 M Coupe was the lunatic cousin.
The Clown Shoe. The car that looked like it had been designed by a rogue engineer in a backroom at BMW, approved by accident, and thrown onto the market before the board of directors could stop it.
It shouldn’t have worked.
Short wheelbase, ancient chassis, unpredictable dynamics. But drop an S54 in it, and suddenly it made sense. It was wild, untamed, twitchy, rewarding—an M car for people who wanted to fight for their speed, not just have it handed to them.
And today?
Prices have skyrocketed, and the people who laughed at it in 2001 are the same ones bidding like lunatics to get one now.
The Z4 M Coupe: The Refined Rebel
BMW took a look at the Z3 M Coupe and thought, What if we made it a little less homicidal?
Enter the Z4 M Coupe (and Roadster, sheesh, I always forget these).
Same S54, same madness, but in a sharper, more sorted chassis. The styling went from unhinged to aggressively elegant. The handling became something you worked with, rather than against.
But don’t get it twisted—this wasn’t some softened version of the original. The Z4 M Coupe was still a riot, still rowdy when you wanted it to be, still demanding in a way that modern M cars have long forgotten.
It was the last time BMW put this kind of heart into something compact, rear-driven, and built to thrill, and look up the weight of the 1M before you come at me.
The Wiesmann MF3: The Gentleman’s Supercar
And then, just when you thought the S54 had reached its peak, the lunatics in Dülmen, Germany, decided to throw it into something hand-built and coachbuilt.
The Wiesmann MF3 was part grand tourer, part supercar, part art piece. And somehow, it made perfect sense.
Because the S54, like all great engines, wasn’t defined by just one car. It was bigger than that.
And in the MF3? It became something special.
A last hurrah before everything changed.
03If You Own One, You Have Responsibilities
The S54 isn’t indestructible.
It requires care. Attention. Ritual.
If you have one, you’re not just an owner. You’re a caretaker.
• VANOS will fail. Replace it before it replaces your engine.
VANOS TLC on my M3 thanks to the great work of Billy @thereliablem3 on instagram
• Rod bearings are a time bomb. Defuse them.
• The right oil matters. Motul 10W-60. LiquiMoly 10W-60. That’s the list.
• Blackstone Oil Analysis isn’t optional. If you’re not checking, you’re guessing.
Reasonably Clean Bill of Health
Treat it right, and it’ll reward you with one of the greatest mechanical experiences BMW ever produced.
Neglect it, and… well. You’ll find out the hard way.
04Start Saving for the CSL
The one we all wish we had.
The E46 M3 CSL was the swan song—the carbon-fiber-intake, lightweight, track-focused masterpiece that was cruelly denied to the U.S.
We all remember the Top Gear review. Clarkson, giddy, nearly laughing as he flogs it around the track, carbon airbox screaming into the heavens.
For years, we could only dream.
But the 25-year import rule is creeping closer. And the moment the calendar flips?
I’ll be ready.
You should be too.
05The Last Great Heartbeat of BMW’s Golden Age
Engines like this don’t exist anymore.
BMW doesn’t build cars anymore—they build platforms. The inline-six is still around, sure, but it’s lost its soul. It’s quiet when it should be loud. It’s muted when it should be singing.
The S54 was different.
It was alive.
It was one of the last engines that didn’t just power a car—it defined it.
And when it sings?
You remember what driving is supposed to feel like.
Dr. Chicane
(Throttle bodies over touchscreens, always.)
Sources
Notes
First published on 3 February 2025 on the Studio Chicane Substack (original post). The text is preserved as it appeared.