Most modern OMSI 2 mods require the latest Steam version (build 2.3.004 or higher). The "Mogli Fre" version is likely stuck on an older build (2.2.032), causing "Zugriffsverletzung" (access violation) errors when installing new maps.
A three-in-one bus pack usually including the MAN SD202. This is often the baseline for many third-party mods. It includes the Double-decker D92 and the articulated D94. tag omsi 2 steam edition incl 13 dlc mogli fre
The “fre” in your search suggests you want free content. Here are 100% legal ways to expand OMSI 2 for free: Most modern OMSI 2 mods require the latest
Despite being released in 2013, OMSI 2 has an active community because: The 13-DLC edition is the sweet spot –
The 13-DLC edition is the sweet spot – enough maps to last 500+ hours, enough buses to never get bored.