In 32-bit mode, the simulator would often hit the 3.5 GB memory limit, causing the infamous "zugriffsverletzung" (access violation) crash. The game would simply die when you turned a corner or loaded a new tile.
: Textures fail to load, turning your detailed Berlin streets into a ghost town of blank white shapes. Stuttering Tile Loads omsi 2 64 bit
The simulator can finally tap into your full system RAM (e.g., 8GB, 16GB, or more), allowing for significantly more complex bus models and expansive maps to run simultaneously without the risk of an OOM crash. In 32-bit mode, the simulator would often hit the 3