Open the BeamMP launcher (keep Steam open in the background).
In single-player, the game spawns AI vehicles which act as background processes. In multiplayer, the game must render full-quality vehicles for every player. A server with 20 players can cause significant FPS drops for users with lower-end hardware, as their computer must process the physics of 20 detailed soft-body vehicles simultaneously. can you play beamng drive online
If a server uses custom car mods you don't have, you might see "orange placeholder" cars. Open the BeamMP launcher (keep Steam open in the background)