) by simply dragging and dropping files into this archive using Visual Enhancements

Never modify the original game files directly. When you navigate to x64e.rpf in OpenIV, it will prompt you to "Copy to mods folder" . This creates a safe copy at Grand Theft Auto V\mods\x64e.rpf so you can revert changes easily.

Instead of editing x64e.rpf\levels\gta5\vehicles.rpf , you create a new folder like: mods\update\x64\dlcpacks\mycustomcar\dlc.rpf

Modding core game files can break your game if done incorrectly. Follow this industry-standard workflow to ensure a smooth modding experience. Step 1: Set Up Your "Mods" Folder

Ensure the file names match the vehicle you intend to replace (e.g., ambulance.yft

With GTA V Enhanced (the next-gen update for PC) rolling out, Rockstar has begun merging .rpf archives into larger .rpf containers. The x64e.rpf file may decrease in importance, but the logic remains identical.