ECU remapping files and chiptuning files for all makes and models. Stage 1, Stage 2, economy and software solutions. Trade pricing, UK-based, ready to write.
Select a vehicle make to check tuning file availability
Stage 1, Stage 2, Economy and software solutions — all makes, all platforms, ready to write
ECU remapping files for stock, unmodified vehicles. No hardware prerequisites. The highest-volume file type for any remapping business, covering petrol and diesel across all major platforms.
View Stage 1 FilesHigher-output ECU tuning files calibrated for vehicles with uprated intercooler, exhaust and induction. Built to work with the hardware, ready to write once confirmed.
View Stage 2 FilesEGR removal, DPF removal, AdBlue delete, speed limiter removal, DTC removal and more. Software solutions for all common fault-related and emissions-related modifications.
View All SolutionsFuel efficiency ECU remapping files for diesel and petrol vehicles. Proven MPG improvements, strong upsell for fleet, taxi and high-mileage operators.
View Economy FilesECU TuningFiles is a specialist ECU remapping file service powered by ByteFlash. We supply chiptuning files for all makes and models — petrol, diesel, hybrid, car, van, truck, agricultural and marine, across every major ECU platform. Files are delivered digitally through the portal and are ready to write to the vehicle.
ECU TuningFiles runs on the ByteFlash platform — giving you access to a continuously growing library of ECU tuning files, software solutions and vehicle calibrations through a single trade portal.
Access the PortalSearch the vehicle, place the order, write the file
Use the vehicle search to find the make, model and engine variant. View available ECU tuning file options and typical power gains before ordering.
Log in to the ByteFlash Portal, upload the original ECU file and select the required tuning options. Stage 1, Stage 2, economy or software solution.
Your ECU remapping file is returned through the portal and is ready to write back to the vehicle. Most files are available within the hour.
Find tuning files now to check coverage, or register on the ByteFlash Portal to start ordering chiptuning files for your customers.