Call Mors to make sure it didn't bug like crazy. Also possible it didn't save when you timed out.
I wasn't in the garage when I made the purchase, I was in my apartment. And yes I have tried logging out, logging back in numerous times. No text messages no car, no game worth playing anymore
I suggest glitching, this is why people did it, if it still works.
I quit for a while until Rockstar pulls their head out their ass and fix the bad sport system.