How to NOT waste your time while changing the Cylinder Head Cover, as I did. | Audi A4 B8 2.0 TDI

Piezo Injector Nozzle Nut: https://www.ebay.de/itm/366742333240?... How to clean your Piezo Injectors:    • Avoid my mistake...see how to fix the Piez...   I'm usually doing the stuff on my own, so if you find this video helpful, don't forget to subscribe, or at least give me a like so this video will reach more people.