Buy Now. Pay With 
Learn More
Join the network · 833+ dealers · 24 countries
Become a tuning dealer with JFA behind you
Add remapping to your garage, or move your tuning business to a file supplier that answers. Files developed on our own dyno, tools with free training, live chat when the car is on the ramp, and marketing that brings the customers in. No joining fee, no contract.
Developing tuning files since 2011 · 22+ years in the automotive trade
703Files last month
24Countries
833+Dealers
16Minutes average turnaround
Dealer enquiry
Ask us anything about files, tools or joining
A real person from the tuning team replies, usually the same working day. No sales script.
Thanks - your enquiry is with the tuning team. We reply by email or phone, usually the same working day.
Dealer portal
Register on the dealer portal. No joining fee, no contract, no minimum order.
01622 321500- Live chat and a help centre while the car is on the ramp, so you are never stuck with a customer waiting
- Revisions free, and the file credited back to your account if we cannot tune the car
- Pay per file and no monthly fee, so a quiet month costs you nothing
Speak to John
Message me on WhatsApp. I read these myself.
WhatsApp us
Why join
What a JFA dealer gets
Everything a small workshop needs to sell tuning with confidence, from a company that tunes cars every day itself.
Product range
Tuning files for all makes and models, with EGR, DPF, AdBlue and every other patch. Tools for OBD or bench work with free training and a year of subscription. A tried and tested range of aftermarket parts and exhausts at trade prices.
Profitable
The JFA margin system with cross-sell options and regular promotions. Files are paid for one at a time, so a quiet month costs nothing. Your own vehicles are tuned at a discounted rate.
Professional advice
The JFA Dealer Standard answers most sales questions before a customer asks them. For the rest there is the help centre and live chat with the tuning team, not a call centre.
Professional training
Free training on every tool we sell, and regular refreshers as the tools and protocols evolve. On site in Maidstone or over a call.
Professional marketing
Help with website and social content, a free vehicle search tool for your site, and Google pay-per-click campaigns that are tried and tested on our own business. No website yet? We have options.
Professional image
Dyno comparison sheets to show your customers, the JFA dealer badge, and a place on the dealer locator so local searches find you.
How it starts
Four steps to your first tuned car
1
Open a free account
2 minutes
Register on the dealer portal. No joining fee, no contract, no minimum order.
2
Top up, pay per file
Stage 1 £50
No bundles, no monthly fee. Top up your account in your own currency and each file is deducted from the balance as you order it. The balance stays on your account until you use it.
3
Upload your read
Any tool
Read the ECU with your tool, upload the original file and tick the options you want.
4
Download and write
~16 minutes
Your tuned file lands in your account. Write it, hand the keys back, invoice the job.
Dealers on the service
What dealers say
★★★★★
“I started using JFA around a year ago with a MK7 Golf GTI. Since then I have tuned over 150 vehicles using their service and my remap turnover is up by 40 percent over the previous year. Ask to see the dyno comparisons.”
Luke Oliver, Hy-Torque · Google★★★★★
“Fast service, customer-waiting jobs are no problem, and the support from the staff is second to none.”
Jamie White, JRW Elite Automotive · Google
Moving supplier?
Stuck with your existing file supplier?
Slow turnaround, files that need three revisions, nobody on the phone. Moving is easier than it sounds: open a free account, upload your next read, and compare the file and the time against what you get now. Keep your tool, keep your customers, change nothing else.
Questions
Joining questions
Is there a joining fee or a monthly charge?
No. The portal account is free and there is no contract or minimum spend. You top up your account and each file is deducted from the balance as you order it.
Which tuning tools do you support?
All of them. Autotuner, Alientech KESS3 and KESSv2, MagicMotorsport Flex, Flashtec CMD, and any other slave or master tool that can read the ECU. Upload the read in the portal and we write for it.
How long does a file take?
Our average turnaround last month was 16 minutes during UK working hours. Complex requests such as Stage 3 or custom gearbox work take longer and we tell you before you order.
Are the files dyno developed?
Yes. Every base file is developed on our own AWD rolling road in Maidstone, and we publish the dyno comparisons. Ask the team for the sheets on any engine you are quoting.
Do you sell to dealers outside the UK?
Yes. We have dealers in 24 countries. The portal runs in 12 languages, prices are in GBP ex VAT, and EU businesses with a valid VAT number are not charged UK VAT.
What if a file does not work?
Tell us on live chat with the car still on the ramp and a revised file is written at no extra cost. If the car cannot be tuned, the file is voided and the full amount is credited back to your account.
Can I tune my own cars at a discount?
Yes. Dealers get discounted tuning on their own vehicles, and access to our parts and exhaust range at trade prices.
Do you train me on the tool?
Yes. Every tool we sell comes with free training, and we run refresher sessions as the tools evolve. Most dealers are writing their first file the day the tool arrives.
Meet the team
The team behind every job
Technicians, calibrators and the front desk, all in Maidstone. No call centre and no subcontracting - the person who books you in is the person you can ask about the job.
Newsletter
Offers on parts and tuning, first
A short email now and then: new vehicle support, parts deals, open days. Nothing daily.