Flip car as different possessed pawn?

Hey @Leafies121!

Here are a few non-Epic affiliated videos as well as an Unreal Engine live training on Blueprint communication that should go over all you need to make flipping your car work (and any other communication between objects as well):

Blueprint Communications | Live Training | Unreal Engine

Blueprint Communication - UE4 Tutorial

HTF do I? Blueprint to Blueprint Communication

I hope the above provides the solution you need!