All new items. Coils, plugs, mass air flow sensor, Fuel Filter, Air filter, Car runs great for a few minutes then shakes like its going to blow apart. EPC and other lites come on, stop shut it off for a few minutes, start it up and runs great for a while then the same scenario starts all over again. Genuine Audi Parts, Audi A6 3.0T I have had it for two months and $ 2000.00 + and still can't find the issue. It's my 3rd Audi and may be my last. Sickening.!