Rocket League dlc's missing?

Sa
- in Xbox
2

So

Back then I got a few dlc's at the xbox in rocket league (Batmobile, Delorean and Hotwheels cars) and now I got it for free on my pc but the dlc's are missing now. Can someone help me please?

Sw

You have the dlc's on your xbox acc on the pc you probably have another acc

Sa

No, I have all the other items on the pc too…