I have the same issue with parts on android. Stress is not calculated until after install. Are you on android as well? I never have parts problems on my iphone
Same exact think happened to me today. We both lost out cars and money. I'm on iphone 5 newest os. In game name for me is HEMI WK 86. Lost an mp4 12 c. Other guy 2 quikcpe lost his wrx