Hi! I dont have much knowledge about tunes so i need your help. I have a 2004 Audi a4 1.8 quattro (manual) and im Almost positive i need a new ECM. So i am looking at buying a refurbished or used one for about 200$. I also want to get the VR tuned ECU flash tune eventually and i need to no if i can get that with pretty much eveything else being stock. Or will i need to upgrade my clutch, etc...