Onyx Performance: BMW, Mercedes, and VAG Tuning Specialists in Slough

At Onyx Performance, we focus on providing top-quality tuning, servicing, and upgrades for BMW, Mercedes, and vehicles from the VAG group (Volkswagen, Audi, Seat, and Skoda). Conveniently located in Slough, just outside London, we are known for our precise workmanship and commitment to delivering the best performance enhancements and automotive services.

Tailored Tuning and Performance Upgrades

We specialize in custom ECU remapping, a service designed to optimize your car’s performance or improve fuel efficiency based on your driving preferences. Our 4WD Dyno testing facility, capable of handling vehicles up to 1500hp, ensures every adjustment is tested thoroughly for accuracy. Whether you're seeking more power or smoother handling, we offer bespoke solutions for every need.

Performance Upgrades We Offer

• Engine Modifications: Hybrid turbos, performance exhaust systems, and upgraded intercoolers.
• Suspension Enhancements: Improve handling and stability for a more enjoyable drive.
• Tyres and Wheels: Premium tyre fitting and diamond-cut alloy wheel refurbishment.

Comprehensive Vehicle Servicing

Maintaining your vehicle is essential for performance and safety. At Onyx Performance, we provide a range of servicing options, from routine maintenance to specialized repairs:

• Engine and Gearbox Servicing: Keep your car in excellent condition with meticulous care.
• Immobilisers and Fleet Trackers: Enhance vehicle security with advanced systems tailored to your needs.
• Prevention of Wear and Tear: Regular checks and upgrades to prolong the life of your car.

Shop Online for Performance Packages

Our online store features a selection of tuning packages and performance parts. From ECU remaps to engine components, you can access high-quality products designed for your specific vehicle.

Why Choose Onyx Performance?

At Onyx Performance, we combine years of experience with industry-leading equipment to provide reliable and professional services. Our team is dedicated to helping every client achieve their automotive goals, whether it’s a small upgrade or a complete performance overhaul.

Contact Us

• Address: Unit F2, Deseronto Trading Estate, Slough SL3 7EW
• Phone: 01753 439321
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Visit Onyx Performance Today

Whether you're looking for expert remapping, performance modifications, or professional servicing, we’re here to help. At Onyx Performance, your vehicle is in capable hands. Experience better performance and reliability—contact us today.