The easiest way to find the correct software variant is by searching the hardware or software numbers from your ECU. When identifying the ECU with Kess or KTAG you will usually be given a file id.txt from which you can see the SW variant.
You can now use our SW scanner tool to upload your original ECU read, the tool will scan the file and extract the SW variant for you.
Once you know your SW variant simply search for it on our website!
For Bosch ECUs you will start with 1037xxxxxx. You can search our website without using the 1037 from the start for example 1037383007 can be searched as 383007.