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ROLLING ROAD TUNING & SERVICING CENTRE
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V.A.G Group ECU Remapping & Servicing SPECIALISTS
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Alloy Wheel Refurbishment & Repair Centre in Slough
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BMW ECU Remapping & Servicing Specialists
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About Onyx Performance

Welcome to Onyx Performance, your top destination for BMW, Volkswagen, and Audi remapping, and servicing experts. Located in Slough, just west of London, we specialise in advanced ecu remapping services. Our skilled team is dedicated to custom ECU remapping and performance modifications, unlocking the full potential of your vehicle.
Our services include a wide variety from Custom Remapping to Performance Modifications, Dyno Runs, Engine & Gearbox Servicing, Premium Tyre Fitting, Alloy Wheel Refurbishment, Ghost Immobilisers & Fleet Trackers. Using some of the most advanced and sophisticated equipment available, combined with years of experience we are able to tune the vast majority of vehicles on the road today.
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Explore What We Offer

VAG Group Remapping

Alloy Wheel Refurbishment

BMW & Mini Servicing

BMW & MINI Remapping

Immobilisers & Trackers

Replacement number plates

AUDI & VOLKSWAGEN SERVICING

PREMIUM TYRE REPLACEMENT

TUNING PACKAGES

Engine Modifications

ROLLING ROAD DYNO

ADBLUE, DPF & EGR SOLUTIONS

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Engine Oil & Filter service including MQB & B58 Engines

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1500hp Dyno Runs in Berkshire

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Why Choose Onyx Performance for Servicing?

Experts in Performance Cars

We know how to properly care for performance, modified, and luxury vehicles. Our team has the skills and experience to handle specialist requirements confidently.

Correct Service Schedules

Every service follows the exact schedule recommended by your vehicle’s manufacturer, helping maintain performance and protect your warranty.

Quality or OEM Parts

We only use high-quality aftermarket or original manufacturer parts, ensuring long-lasting reliability and top-level performance.

Full Vehicle Inspection

Our service goes beyond just changing oil. We inspect all key systems to keep your car safe, smooth, and road-ready.

Honest Advice, No Surprises

With transparent pricing and expert recommendations, you’ll always know what your car needs – no upselling, no hidden fees.

Fast, Trusted & Tracked

We offer quick turnaround, maintain service records, and send reminders – that’s why customers travel to us from across the UK.
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Onyx Performance – Rolling Road Tuning, Dyno Runs, Car Service Centre & Alloy  Diamond Cut Refurbishment

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Situated in Slough, Berkshire, we specialise in offering services such as Remapping, Engine Modifications, Engine and Gearbox Servicing, Premium Tyre Replacement, Car Engine Repairs, Alloy Wheel Refurbishment, Diamond Cut Alloy Refurbishment, Suspension Upgrades, Ghost Immobilisers and Trackers, Number Plates, Exhaust Upgrades (including Resonator delete), Mileage Blockers, DPF and Adblue Solutions, Dyno Power Runs, and ECU Remapping.

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Onyx Performance – Remapping & Servicing Centre

Call us on 01753 439321
Email info@onyxperformance.co.uk

OUR SERVICES & PRODUCTS ARE DESIGNED FOR OFF-ROAD USE ONLY. ANY PERSON OR COMPANY WHO INTENDS TO USE OUR SERVICES/PRODUCTS FOR ANY OTHER PURPOSE IS ACTING ON THEIR OWN ACCORD.
Hours
Mon – Friday 10am – 6pm
Saturday 10am – 3pm
All bookings are by appointment only.
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Copyright © 2024 Onyx Performance – All Rights Reserved.

OUR SERVICES & PRODUCTS ARE FOR OFF-ROAD USE ONLY.

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