While public documentation for this specific string is limited, similar codes frequently appear in: Replacement Part Catalogs
Given that the MOI3_EU_VW_R8960L was a "Release Candidate / Prerelease" version of the firmware, it was not entirely bug-free. Many users have reported specific problems, both during and after the installation. moi3-eu-vw-r8960l
In some cases, updating firmware may trigger Component Protection , which requires a visit to a dealership to unlock functionalities like navigation, say users on Reddit. While public documentation for this specific string is