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Chiptuning File Service

EcuPrime is a professional browser-based chiptuning file service. You upload your original ECU file; the system identifies the ECU from the file itself, enables only the verified solutions that are genuinely applicable, and applies your selection after verifying it at hex level. Checksum correction runs in the same flow through the built-in PrimeChecksum engine — no separate software, licence dongle or waiting.

Upload Your File — Results in Seconds

Service coverage

The library holds verified solutions for 530 ECU families across 141 brands. Vehicle types: Car, Truck · Bus, Tractor, Construction, Marine, Motorcycle.

How it works

  1. Upload the original file
    Drop the original file you read from the ECU. The ECU type is detected from the file; you do not need to pick a make/model from a list.
  2. See what is actually applicable
    Only solutions that genuinely apply to that file are enabled. Operations that cannot be applied are not shown at all.
  3. Apply the operation
    Your selection is verified at hex level and applied. If every segment does not verify, the file is not delivered.
  4. Download with checksum done
    Checksum correction is handled by the built-in PrimeChecksum. Credit is charged only on successful delivery.

Operations offered

Stage 1
Software calibration that optimises the engine's power and torque maps within safe limits.
DPF Off
Software deactivation of diesel particulate filter (DPF) functions and related fault codes.
EGR Off
Software deactivation of exhaust gas recirculation (EGR) valve control and fault codes.
AdBlue / SCR Off
Software deactivation of the AdBlue / SCR dosing system and its fault and warning functions.
Full Emission Off
A package that switches off emission systems such as DPF, EGR and AdBlue/SCR together in one file.
Stage 2
Verified module solution applied in the ECU software.
DTC Off
Removing selected diagnostic trouble codes (DTC) in the ECU software.
Vmax Off
Verified module solution applied in the ECU software.
Decat / Catalyst Off
Verified module solution applied in the ECU software.
Lambda / O2 Off
Verified module solution applied in the ECU software.
TVA Off
Verified module solution applied in the ECU software.
Swirl Flaps Off
Verified module solution applied in the ECU software.
Pop & Bang
Verified module solution applied in the ECU software.
E85 Flex-Fuel
Verified module solution applied in the ECU software.
Start & Stop Off
Verified module solution applied in the ECU software.
Immo Off
Verified module solution applied in the ECU software.
Torque Limiter Off
Verified module solution applied in the ECU software.
Stage 3
Verified module solution applied in the ECU software.
Gearbox (TCU) Calibration
Verified module solution applied in the ECU software.

Most used ECU families

All supported ECUs and vehicles →

Frequently asked questions

What is a chiptuning file service?

It is the editing of the original software read from a vehicle's ECU so it can be written back for the requested operation. EcuPrime does this online: you upload the file and download the result within minutes.

Can my file be damaged?

The solution is verified byte by byte against the donor file; if every segment does not fit, the file is NOT delivered and no credit is charged. No half-applied files.

How long does it take?

Compatibility measurement takes seconds; if the solution exists in the library, delivery is usually within minutes. If not, you can leave a request.

Is checksum correction included?

Yes. The built-in PrimeChecksum engine runs in the same flow at no extra cost.

Which vehicles do you cover?

Car, truck and bus, tractor, construction, marine and motorcycle ECUs. The supported ECU list is available on the site.

Operations on emission systems are offered only for use permitted by local law (e.g. off-road / motorsport / export); responsibility lies with the user.