Custom tuning files. BHD engineering.
Your ambition.
Our calibration.
From your first file to an exceptional build, work directly with our calibrators. Outside working hours, BHD handles requests covered by our in-house solutions.
Illustrative project · ORI → MOD
A real network. Workshops working with BHD.
Expertise is built in the real world.
An open ECU, a setup to understand, logs to analyse. Our work starts long before the file download.

WinOLS / ECU / BHDYou know the vehicle and its owner. We work with you on a calibration suited to its setup.
Provide the original file, ECU, fuel, fitted parts and your goal. Stage 1, a more advanced build, E85 FlexFuel and TCU tuning need different approaches. Discuss specific requirements directly with BHD calibrators.
Custom filesOur expertise.
BHD intelligence.
Outside working hours, the BHD AI handles requests covered by solutions developed, tested and validated in-house. During working hours, our team delivers file service and custom calibration.
In-house BHD solutions
BHD AI
Compatible file
Expertise comes first: our calibrators develop, test and validate the solutions. BHD uses this internal library for compatible requests. The 24/7 service applies to eligible operations; new or unsupported custom requirements are handled by the team during working hours.
BHD AIPreparation comes to life.
Another view of preparation, from calibration work to dyno checks.
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Your file reaches your pro workspace.
When ready, your modified file is available in your professional workspace with a notification. Write it with your tool, test the vehicle, then share your logs with BHD.
Ready for follow-up
Download the modified file, write it with your tool and test the vehicle.An order, from first click to file.
Try this guided demo. It uploads no file and creates no real order.
✓ original_ecu.bin added
fichier_bhd.bin available
Download the modified file, write it with your tool and test the vehicle.
.bin / BHD
Your workshop can be anywhere.
Your file service is still BHD.
France, Europe or beyond: upload the original file and vehicle details to your professional account. BHD supports your projects remotely, for your customers’ vehicles.
A website in eight languages. One place for your files, orders and conversations.Become a partnerYour workshop.
Powered by the Elite Pack.
A professional website, conversion tools and 10% off your tuning files: bring together the tools to grow your business.
Example: 120 credits at standard price → 108 credits with Elite.
Learn moreBehind the screen,
the BHD world.
Vehicles, projects and behind-the-scenes content from BHD. Open an image to see the original post.
Ready for your next project?
Create your professional account and bring BHD into your workshop.




