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Download tuning files
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Welcome to JFA Tuning Files

We make tuning files for serious tuners

Trusted by tuners, garages, and race teams

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Services

What can we do for you?

We hold exceptional tuning expertise in five  main areas

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Tuning Files

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JF Automotive delivers precision-engineered tuning files, developed to optimise performance, efficiency, and reliability for professional tuners.

Tuning Files Developed by our skilled Team on our 4WD Dyno using WinOls to modify the ECU’s memory.

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Successful Projects

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Years in business

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Team Members

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Vehicles Supported

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Our work

Projects, we are proud of

A2B Remaps Web development

  • Web Development,
  • Wireframe & Prototyping,
  • Logo Design

Track ready tuning

  • Yaris GR Track tuning

Bugatti Tuning

  • 1200PS, 1550Nm

Bosch ECU Number Look-Up

  • Live Now!

Training

  • Tools, Data Logging, Process

Tutorials

  • How to start tuning!
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Our PROCESS

TUNING PROCESS

We make it easy

THE TOOL

Read the ECU using one of the many tools we support.

UPLOAD

Send us the original file with your tuning request on our portal.

FILE READY

Download the tuned file and upload back to the ECU.

ROAD TEST

Road test and ensure the vehicle drives perfect before handing over to the customer.
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Testimonials

First impression, our clients

Got our Hyundai i20N tuned which was the first one done by JF Automotive and they took the car in and gave before and after dyno runs (printed) and there were multiple tests completed to ensure they were happy with all the parameters before getting a solid file at the end. Thanks to Olivia for getting it all booked for us and keeping updated with the release of the software and thanks to Eoghan and Alex for the tuning work. Would recommend !

Oliver Hall Trustpilot

I have been using Performance and Economy remapped files from JF Automotive for the last 18 months. My customers are always satisfied with the improvements to their vehicles after remapping. I have found John and his team great to deal with. Not only do they provide quality files but are also very helpful with any questions or technical support.

Grant Goldfinch Trustpilot

Modern Technology with Old Fashioned Customer Service. These guys sorted a sensor issue with my BMW 335d at short notice to work around my work commitments and my available free time, which was so appreciated and different to any main dealer. If you have a performance car and want great service at reasonable cost look no further. Highly recommended and 5 stars

Peter Holmes Trustpilot

I went down to jfautomotive nearly one year ago with a MK7 Golf GTI, The results we witnessed was incredible! Since then we have tuned over 150 vehicles using their service and I can safely say it has been brilliant for our business. My remap turnover is up by 40% over previous year but better still my confidence in the files we use is at an all time high. I am always comfortable knowing a vehicle has gone away being mapped to it’s best ability. One last thing I would specify is just because another file service may claim better gains in there files, ask to see dyno comparisons and I guarantee they wont be able to deliver

Luke Oliver - Hytorque Google

I use JF Automotive as a dealer file service. Always get really fast service, customer waiting jobs are not problem, the files we get are always perfect and gains exceed customer expectations. Most importantly for me is the support we receive from all the staff is amazing, and anytime we have something a little out of the ordinary they always find a solution. If you looking at becoming a car tuner and need a file supplier I can’t recommend these guys enough

Jamie White - JRW Google

Took my 2014 Audi RS6 in for JFA to work their magic with a stage 1 remap and they have absolutely transformed the car. It was already producing more power and torque than stock but they've managed to find 700BHP, over 1000Nm and make it eminently more driveable and responsive at the same time. I can't recommend them highly enough, they obviously enjoy what they're doing and do it very well. Thanks guys. I'm sure to be back for more at some time 🙂

Dave Brown Google

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