Send your original readout.
Choose the service, give the part number and vehicle, and upload one file of up to 32 MB.
Open file deskFile Service Workspace for IMMO Off Solutions & Crash Data ResetsMileage Correction — Work in Progress
US$20 per file. For automotive technicians: upload an original file for manual compatibility review, arrange payment once approved, and download the processed result from your account.
Working hours: 08:00–17:00 / UTC+2

How it works
No credits, no instant calculators. One flat price of US$20 per file, with compatibility checked before payment.
Choose the service, give the part number and vehicle, and upload one file of up to 32 MB.
Open file deskA technician checks compatibility and approves the job at US$20, or gives a reason if the job cannot be done.
Service detailsAccept the approved US$20 job and arrange payment directly with ECU Tech. The processed file appears in your account when complete.
Jobs and downloadsServices
The IMMO off menu includes car, motorcycle, truck and tractor ECU choices. All files are checked for compatibility before payment. Mileage correction is work in progress.
Read the detailsWorking hours: 08:00–17:00 (8am–5pm), UTC+2.
Online checkout is not connected: payment for an accepted quote is arranged separately.
Mileage work is only for lawful, documented corrections, never to conceal true mileage.
For IMMO off files, the client is responsible for performing the required checksum correction when writing the file back to the ECU.