First sampled OCI was M1 EP 0w20, still had some Honda Type 2 factory fill which upped moly. While not the 1.5T, my car so far is showing some fuel dilution which is why I would not run 10-11K OCI with the factory OLM (I do a lot of HWY miles).
This OCI stayed in grade at the low end, yet it was only 5K. I could re-sample and see if it levels out, but given the dilution and its inexpensive if you DIY to change it more often, that's what I did. 0w30 ESP is in there now, curious how it shears in a 5K sample.
I have no preference with thin vs thin: I just want to protect and have it work. If the lube is protecting and staying in grade I have no issues with longer drain intervals on a 16 or 20 grade. My feeling is: you buy a high output engine for fun and not fuel economy, so a 30 grade as many have pointed out gives some more buffer for shear and such.
This OCI stayed in grade at the low end, yet it was only 5K. I could re-sample and see if it levels out, but given the dilution and its inexpensive if you DIY to change it more often, that's what I did. 0w30 ESP is in there now, curious how it shears in a 5K sample.
I have no preference with thin vs thin: I just want to protect and have it work. If the lube is protecting and staying in grade I have no issues with longer drain intervals on a 16 or 20 grade. My feeling is: you buy a high output engine for fun and not fuel economy, so a 30 grade as many have pointed out gives some more buffer for shear and such.