Refined Tuning Autocentre
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Services
Engine RemappingCustom ECU remapping to unlock more power, sharper response and better fuel economy, with a satisfaction guarantee.Vehicle DiagnosticsAccurate fault-finding with modern diagnostic equipment to get to the root of warning lights and running issues.DPF & EGR SolutionsDiagnosis and solutions for blocked diesel particulate filters and faulty EGR valves, keeping diesels running cleanly.Servicing & MaintenanceThorough servicing and routine maintenance using quality OEM parts to keep your vehicle safe and reliable.MOT & RepairsFrom MOT preparation and repairs to brakes, suspension, cooling and clutch work, carried out properly at a fair price.TyresQuality tyres supplied and fitted carefully at a competitive price, plus puncture help and TPMS sensor work.Air ConditioningAir conditioning recharge and regas to get cold air back, keeping you comfortable through summer and clear screens in winter.
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01494 304418Call us
Organised mechanic's tools and engine bay in the Refined Tuning workshop
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Our services

Vehicle tuning, servicing and repairs in High Wycombe

One trusted local workshop for everything your car or van needs, from a quick diagnostic to a full performance remap.

Call 01494 304418Get a quote
What we do

Choose the service you need

We cover all makes and models, petrol and diesel. Tap any service below to see what's involved and how we can help.

Engine Remapping & Tuning

Custom ECU remapping to unlock more power, sharper response and better fuel economy, with a satisfaction guarantee.

Learn more

Vehicle Diagnostics

Accurate fault-finding with modern diagnostic equipment to get to the root of warning lights and running issues.

Learn more

DPF & EGR Solutions

Diagnosis and solutions for blocked diesel particulate filters and faulty EGR valves, keeping diesels running cleanly.

Learn more

Car Servicing & Maintenance

Thorough servicing and routine maintenance using quality OEM parts to keep your vehicle safe and reliable.

Learn more

MOT & Mechanical Repairs

From MOT preparation and repairs to brakes, suspension, cooling and clutch work, carried out properly at a fair price.

Learn more

Tyres & Tyre Fitting

Quality tyres supplied and fitted carefully at a competitive price, plus puncture help and TPMS sensor work.

Learn more

Air Conditioning Recharge

Air conditioning recharge and regas to get cold air back, keeping you comfortable through summer and clear screens in winter.

Learn more
How it works

Simple, honest and straightforward

No jargon and no surprises. Here is what to expect when you bring your vehicle to us.

1. Get in touch

Call us or send an enquiry with your vehicle details and what you need looking at.

2. We diagnose

We inspect and, where needed, use modern diagnostic tools to find the real cause.

3. Clear quote

You get a straightforward explanation and a fair price before any work begins.

4. Back on the road

We carry out the work with quality parts and get you safely back on the road.

Reviews on Google

Work our customers rate

A
Arun
“It's hard to find a mechanic you can fully trust, but these guys are excellent. They were transparent about what actually needed fixing and didn't try to push any hidden costs. Honest, reliable, and great communication!”

Posted on Google

T
Tom Williams
“Dropped in and sorted me out today. Top guys.”

Posted on Google

T
Taña Roberts
“On one of the hottest days this year and being failed miserably by BMW across the road, the team here quickly acted on seeing I had a flat tyre, single mother, two children and a passenger, plus a 3hr journey home. Their speed in looking at it was instant. Then we were helped further when they detected the rim had cracked, calls were made and after putting on a new tyre we were sent on our way. As women you often think you will be treated differently, but I was treated with respect and shown everything and talked through the plan of how we were going to get home. Everyone was incredible. We got home safely. Thank you to everyone, especially Sunny.”

Posted on Google

Not sure which service you need? Just ask.

Give the workshop a call and we'll point you in the right direction, with honest advice and a fair price.

Call 01494 304418Get a quote
Refined Tuning Autocentre

Independent vehicle tuning, diagnostics and servicing in High Wycombe. Over 10 years keeping cars and vans of every make running right, with honest advice and fair prices.

Services

  • Engine Remapping
  • Vehicle Diagnostics
  • DPF & EGR Solutions
  • Servicing & Maintenance
  • MOT & Repairs
  • Tyres
  • Air Conditioning

Company

  • About us
  • Areas we cover
  • Customer reviews
  • All services
  • Contact

Get in Touch

  • Unit 11, Ford Street, High Wycombe, Buckinghamshire, HP11 1RU
  • 01494 304418
  • Mon to Fri, 09:00 to 17:00
    Sat & Sun closed

© 2026 Refined Tuning Autocentre Ltd. All rights reserved.

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