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Monday 11am - 7pm Tuesday 11am - 7pm Wednesday 11am - 7pm Thursday 11am - 7pm Friday 11am - 4pm

22RPD, 22nd Race Product Development

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Renton, WA
22RPD, 22nd Race Product Development

22RPD is an engineering-led BMW performance and service shop.

We specialize in tuning, dyno testing, wiring, fabrication, machining, engine builds, and diagnostics—focused on data, reliability, and long-term platform support, not guesswork or hype.

10/28/2026

Here is a dyno sound clip of the 4N- N52 6-1 F1 header. Good results from today. The car picked up 20+ whp. The stock 3 stage intake is definitely restricting the top end past 6,500 rpm. Next round of testing will be with an N54 intake manifold. Once tuning is finalized I will compare all the graphs with different intake setups. The car is on pump gas 91 octane I will also test run it on E85. Stay tuned!

10/21/2026

N52 turbo? More manifolds coming off the cnc!

10/13/2026

Turbo E46 M3 coming together! 🔥

S54 + 8HP70 + MaxxECU + 7675 🐌

10/09/2026

E60 M5 in for a custom dyno tune with an ESS supercharger kit.

The final result was 625 WHP from the S85 V10, with clean power delivery throughout the pull.

These cars already have one of the most unique engines BMW ever produced. Add a supercharger and the result is something special.

10/08/2026

350whp out of this supercharged 128i with our custom tune on the lowest boost pulley available for the kit 👀

Really healthy numbers, smooth power delivery, and an all-around solid setup. Plenty left on the table if the owner ever wants to turn it up.

09/11/2026

N52 swapped 335i running our N52 turbo kit. 13psi on 92 pump gas making a healthy 575whp. More to come with some ethanol in the mix...

08/14/2026

Hurry before it gets patched!

08/12/2026

You asked us to compare TurboFlexDrain to a Cummins oil drain- so here it is.

The Cummins-style drain works, but once you start bending it, the corrugated section can kink, bind, and create stress on the line.

TurboFlexDrain uses independent billows that allow significantly more flexibility without kinking or fighting the bend. That means easier routing, less stress on the turbo and drain connection, and more freedom when space is tight.

Another key difference: TurboFlexDrain uses a proper O-ring seal instead of relying on a folded-metal sealing surface.

More flexibility. Less stress. Better sealing.

Available now at TurboFlexDrain.com

08/07/2026

Turbo oil drains suck.

They’re too big. They don’t clear the manifold. They leak. They melt. And half the time you end up fabricating something from scratch just to make a simple oil drain work.

So we fixed it.

TurboFlex is an all-stainless, ultra-low-profile flexible turbo oil drain designed specifically for tight turbo applications.

Multiple turbo fl**ge sizes. Complete with hardware and O-rings.

No hose. No clamps. No melted drains. No BS.

Built to fit where everything else doesn’t.

👉 TurboFlexDrain.com

Address

340 Sunset Boulevard N
Renton, WA
98057

Opening Hours

Monday	11am - 7pm
Tuesday	11am - 7pm
Wednesday	11am - 7pm
Thursday	11am - 7pm
Friday	11am - 4pm

Website

http://www.22RPD.com/

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