Guides
Practical, step-by-step help for every part of your tune — reading your ECU, preparing your upload, and what happens after approval.
Basics
Prepare your file
Reading your ECU: tools and methods (OBD vs bench)
Getting a complete, correct .bin out of your car before you upload it.
Preparing your file and uploading it to Flow VIN Tune
File formats, full vs partial reads, and walking the upload flow without surprises.
Stage 1 vs Stage 1+ — what actually changes
What each service modifies, and how to pick the right one for your car.
After approval
Troubleshooting
Supported cars
Per-car pages: which ECU the car carries, how it reads, and where to start.