I know that probably won't happen, but I do hope that rims and body kits will be added to TCMF in an update, as PG did with FH5.
I "watched" my friend's beta test gameplay and overall TCMF has a good feel to it. (I also won the beta test, but I couldn't play after the introduction cutscene on my PC😥 )
My only complaint is that the rims and body kit are still the same as TC2.
As for the body kits, the ones from models like the R34 and Mustang that have been used since TC1 are a bit inferior to the ones added from TC2. (especially the custom front and rear fenders)
And many of the rims are from TC1, and many of them look like cheap no-name brand rims and not very good looking.
As for body kits, the various special editions added for TC2 could be a good alternative, but these models do not allow to change even the rims, nor can they change the rim color or sub-colors freely.
The body kits of the models added since TC2 are sometimes "too much", but many of them have well-designed body kits as a result of partnerships with excellent designers like Khyzyl Saleem.
If such new body kits were available for older models like the R34, the experience of this game would be even better.
Also, better rims would make such body kits look better.
If modern trendy rims like Turbofan, or the eight spoke and TE37 style rim available as OEM rims for some JDM's could be available on all our cars, our cars would be cooler.