I have a 2022 Model 3 with factory towbar so this will presumably be identical to the MY. I have a “Westfalia Bikelander with LED lights Towball Mounted Tilting 2 Bicycle Carrier”. You buy direct from the manufacture, £387. Very pleased with it. I understand the factory towbar is also made by Westfalia. It’s well made and very compact when folded. Quite a bit cheaper than the equivalent Thule, yet I really can’t find fault with it.