Many "0406" downloads are not vanilla. They are modded to an inch of their life by random users. Save files are corrupted, vehicle configurations are gone, and the game crashes to desktop (CTD) every 10 minutes. You will spend 8 hours troubleshooting a version that is 10 years old.
The 0.4.0.6 version of BeamNG.drive comes with several notable features and improvements: beamng 0406 download free
Searching for "beamng 0406 download free" leads you down a rabbit hole of obscure forums, YouTube videos with view-botted comments, and torrent sites from 2015. Here is the brutal truth: There is no legitimate free version of BeamNG.drive. Many "0406" downloads are not vanilla
The game has never been freeware. The only official way to play is via Steam or the Humble Store. Any website promising a "Portable 0.4.0.6 crack" or "Full version unlocked" is a trap. Here is what those files actually contain: You will spend 8 hours troubleshooting a version