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frequently asked questions

Frequently Asked Questions about the modified Files

What kind of service does your file service provide?

At the moment, we offers IMMO OFF, IMMO VIRGIN, ADBLUE OFF,  DPF OFF, EGR OFF and DTC OFF. In the future we will offer other services such as STAGE 1, TVA OFF, MAF OFF, FLAPS OFF, READINESS OFF, START and STOP OFF, LAMBDA OFF and more

Do you give support?

We give support on all file services during opening hours.

We are based in France and we are opened from 2 PM to 6 AM non stop.


How long does it take before I get the modified file back?

For custom file service, the new file is usually available within 20 minutes during openning hours, it is possible that all our engineers are already busy with customers, you have to understand that we have a lot of requests, that's why we guarantee a delay of 24 hours maximum.

Who can use the file service?

The Immo Off Online service is for professional tuners, car mechanics, and car enthusiasts and is available 24 hours a day and 7 days a week.

What tools do you support?

We give support for every tool in the market. We use the tools of Alientech, Dimsport and Autotuner on a daily basis. Other tools are used occasionnaly. Immo off Online are not unique to or tied to any particular tuning tool, remap, or operating system. But please let us know if your tool has a checksum correction capability and if you are planning to use this.

Where can I find ECU remap files tools?

We are doing the most difficult part of the file modification. The physical tools that will help you connect the ECU and upload the files you can find in a tuning tool shop. These tools together with our ECU file service will help you provide the best service for your clients.

Is the checksum corrected in your files?

This depends on the tool you are using. Most quality tools in the market have an in-built checksum correction capability. If your tool does not correct checksum and you want us to do it for you in the modified file, then please specifically request this when uploading the file on our portal.

Can ECU modified files be download or will it be send to me?

You will receive an email with your ECU modified file.

Be sure to provide us with a valid email address. If you do not receive your file, contact us, we will do what is necessary to send it back to you.

See you soon !

tuning tools

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