Bentley Mileage Blocker Installation Service

If you want to control mileage recording on your Bentley during dyno runs, track days, or off-road testing, our Slough-based workshop offers expert installation of Bentley-specific mileage blockers. Our technicians ensure a discreet, reliable, and professional fit, keeping your vehicle’s electronics and dashboard systems fully intact.

Whether you drive a Bentayga, Continental GT, Flying Spur, or Mulsanne, our service prevents unnecessary mileage logging during performance testing or motorsport activities. We use a tailored, plug-and-play installation process where possible, providing a solution specifically designed for your Bentley model. This service is perfect for track-day enthusiasts, off-road testing, and performance tuning scenarios.

All installations are carried out with precision and care at our Slough workshop, ensuring your Bentley is handled by specialists experienced with high-performance and luxury vehicles. Our team provides full guidance on proper off-road and testing usage, helping the mileage blocker function efficiently while remaining within intended legal boundaries.

Why Choose Onyx Performance?

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We’ve been proudly featured on Carwow – a testament to the quality, professionalism, and performance-focused results that set us apart. Watch our feature here to see us in action.

Expertise You Can Trust

With years of experience and deep technical knowledge, our team understands performance vehicles inside and out – from custom remaps to high-end servicing.

Advanced Workshop & Tools

We operate from a state-of-the-art facility in Slough, equipped with cutting-edge diagnostics, dyno testing, and industry-leading tools for accurate, high-quality work.

Tailored Solutions for Every Vehicle

We don’t believe in one-size-fits-all. Every car gets a bespoke approach, ensuring the best results whether it’s a remap, upgrade, or routine service.

Trusted Nationwide

Performance enthusiasts from across the UK come to Onyx because they know they’ll receive premium-quality workmanship, careful attention to detail, and honest advice.

Complete Care, All in One Place

From tuning and servicing to tyres, trackers, and immobilisers – we offer a full suite of services under one roof, all with a strong focus on safety, reliability, and top-tier customer support.

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Book Your Bentley Mileage Blocker Installation in Slough

Ensure your Bentley’s mileage isn’t recorded during dyno testing, track days, or off-road use with our professional installation service. Our brand-specific mileage blocker modules are fitted by trained technicians at our Slough workshop, providing a safe, discreet, and tailored solution for your Bentley. Full guidance on off-road and testing use is included.

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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.

Frequently Asked Questions

What is a mileage blocker?

A mileage blocker is a module that prevents your Bentley from recording mileage on the dashboard and ECU while driving.

Why use a mileage blocker on a Bentley?

It’s mainly for dyno testing, track days, or off-road activities, where mileage logging is unnecessary.

How is a mileage blocker installed?

Installation is professional and discreet, usually via a plug-and-play connection without permanent modifications.

Which Bentley models are supported?

We provide installation for Bentayga, Continental GT, Flying Spur, and Mulsanne.

Do you provide a warranty or guarantee?

No — mileage blockers are supplied without any guarantees, intended solely for off-road and testing use.

Can the mileage blocker be switched on and off?

Yes — most modules include an on/off function, allowing full control as needed.

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