ECUFix Updated 29th May 2020

  • Model: ECUFix6
  • 97 Units in Stock
  • Manufactured by: ECUFix

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If you wanted to modify your Bosch Motronic ME3.8/5.9/7.x but couldn't get the checksums fixed or, more importantly, needed to pay someone to fix them for you, here's the solution....


All supported binaries have been disassembled to identify the many checksums that are present within them.

For a one-off payment for the software (ECUFix), you can fix the checksums of your binaries as many times as you like. What's more, ECUFix works with a lot of binary types. Please download ECUFix and try it on your binary, if it doesn't recognise it - send it to me!

ECUFix works better than WinOLS because if you like to make modifications to your binary, WinOLS may not recognise the binary.

To check if your binary is supported, simply download ECUFix, install it and open your binary.

If you would like to buy it, I will send you a license file to unlock ECUFix. I will supply any number of license files for use on any number of PCs you own.

Possible Virus False Positive

Anti-Virus writers have a very difficult time trying to stay ahead of bad code. Because of this, if a program is compressed using a security tool to protect its intellectual property, usually the virus checker will report a Trojan or something similar. Unfortunately, ECUFix falls under this category.

Please be assured that ECUFix is NOT a Trojan nor Virus!!!


If you are a current ECUFix user who wishes to upgrade, please send me your current licensing details and I'll send you your new licensing details free of charge.

ME72002 support is here!

ECUFix supports M3.8, M5x and ME7.x ECUs. It fixes the binaries for VW, Audi, Skoda, Seat and Porsche ECUs. Support is also added for Porsche ME7 based stuff too; ECUFix is able to fix Porsche Cayenne turbo binaries.

ECUFix has been further developed using "code finger-printing technology" to support the new VAG ME72002 checksums.

ECUFix 5.5.0 added a Ferrari checksum for the 430 model.

This product was added to our catalog on Friday 01 March, 2019.

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