So I have to say, I finally found this damn DIY

This has got to be the most seeked DIY for the 2.0tfsi platform.... With this useful knowledge you can polish your valves, get rid of that carbon, replace your injectors with RS4s or upgrade your check valve... Ect..

Without further adu...... The magic starts on page 28
Stasis Engineering DIY for longitudinal 2.0tfsi

This is for their KO4 upgrade and to find the manifold removal start at page 28

All credit for the work goes to Stasis