ECU TuningFiles is a specialist supplier of professional ECU tuning files for all makes and models. Whether you are a remapping technician looking for Stage 1 and Stage 2 tuning files, or a garage seeking software patches to resolve EGR, DPF or AdBlue related issues, we have you covered.
Our tuning files are developed by expert engineers with decades of experience across every major ECU platform, including Bosch, Siemens, Delphi, Continental, Denso and Marelli.
We offer competitive trade pricing with no minimum order, fast turnaround, and UK-based technical support. Every file is quality-checked before delivery.
Find Tuning FilesCar, van, truck, agricultural and marine
Typically delivered within hours
Expert technical assistance available
Competitive rates, no minimum order
ECU TuningFiles is powered by ByteFlash, the UK's specialist automotive software platform. ByteFlash has been developing automotive software solutions for over a decade, working with dealerships, remapping specialists and independent garages across the country.
The ByteFlash platform provides 24/7 access to thousands of vehicle calibrations via a secure online portal. Files are delivered digitally, with a full history of all orders available through your account.
By choosing ECU TuningFiles, you are accessing ByteFlash's full calibration library and engineering expertise, delivered through an easy-to-use specialist interface.
Access the PortalSearch by vehicle to check file availability, or access the ByteFlash Portal to place an order.