Onyx Performance - Rolling Road Tuning

Onyx Performance - Rolling Road Tuning We are an ECU Remapping Specialist and Tuning house offering a 4WD Dyno Tuning Service in Slough.

Our services include a wide variety from Custom Remapping to Performance Modifications, Dyno Runs, Engine & Gearbox Servicing, Premium Tyre Fitting, Alloy Wh

25/09/2026

PORSCHE MACAN GTS — STAGE 2 🔥

Decat downpipes fitted. OPF delete fitted. Stage 2 calibration complete.

And yes… you can see the little flames 👀🔥

No extra modifications needed — just the right hardware and the right tune.

Want to unlock more from your Porsche?

DM us now to get your car tuned.

Stage2Tuning

24/09/2026

Mercedes S-Class in for an air-conditioning service ❄️

Keeping the cabin cool, comfortable and performing exactly as it should. Proper diagnostics, professional equipment and attention to detail from start to finish.

📲 Get in touch to book your vehicle in.

23/09/2026

Get in touch 😎

BMW M3 IN FOR A NEW LOOK 👀🔥This M3 came to us for a fresh new look and the wheels have completely transformed it. 😮‍💨✨We...
23/09/2026

BMW M3 IN FOR A NEW LOOK 👀🔥

This M3 came to us for a fresh new look and the wheels have completely transformed it. 😮‍💨✨

We refurbished the alloys in-house and finished them in this stunning gold colour 🛞🏆

We think the gold works perfectly with the M3, but what do you think? 👀

Would you run gold alloys on your M3? Let us know below 👇🔥

22/09/2026

BMW X5M 73 Plate — tuned in-house at Onyx Performance.

ECU unlock completed in-house and completely free of charge — no need to remove your ECU or send it away.

Everything handled under one roof, making the process quicker, easier and hassle-free.

DM us now to book your FREE ECU unlock and tuning.

21/09/2026

BMW M4 in for the full security package 🔒🔥

This beast came in for a Lock & Track tracker, Ghost Immobiliser, and deadlock installation to keep it protected from thieves.

While it was with us, we also carried out a Stage 1 remap — and the results were incredible. 🚀 The power gains on this M4 were seriously impressive, completely transforming the driving experience.

Now it’s making big power, fully secured, and ready to enjoy all summer long. ☀️🏁

Lamborghini Gallardo in for some major works! 🔧🔥This stunning Gallardo came in for a full inspection, where we checked t...
10/09/2026

Lamborghini Gallardo in for some major works! 🔧🔥

This stunning Gallardo came in for a full inspection, where we checked the car thoroughly from front to back. During the inspection, we identified an issue with the A/C system ❄️🔍

The car will be back with us soon once the required part arrives from Lamborghini Italy 🇮🇹 — then we’ll get it sorted and back on the road! 🏁💨

09/09/2026

Mercedes-AMG E53 | Stage 1 Tune + Full Maintenance Package 🚀

This stunning Mercedes-AMG E53 came to us for our Stage 1 ECU tune along with a comprehensive full maintenance package. 🔧✨

We put it through our dyno tuning process to ensure the calibration was tailored specifically to the vehicle, delivering improved performance while maintaining reliability. 💨🔥

Thinking about getting your car tuned? Get in touch with us today! 📲

📞 01753 439321

08/09/2026

BMW M3 CS in with us for a professional brake fluid service. 🏁🔧

Regular maintenance is essential to keep your car performing at its best — especially when it comes to braking performance. 🛠️

Does your car need a service, maintenance or a health check? Get in touch today and let the team at Onyx Performance take care of it.

📞 Call us: 01753 439321
📩 DM us to get your car booked in.

Address

Slough
SL37EW

Opening Hours

Monday 10am - 6pm

Telephone

+441753439321

Website

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