Board Thread:Game Discussion/@comment-34694189-20180514064814/@comment-2605:A000:132E:8291:CC33:B25A:68AA:3F69-20180514065717

You have to play the respective series far enough along to unlock the tiers the team events require for inclusion. If you had not played those series, you will not be able to complete. Just owning the car is not enough.