DIY Solution to M54-M52TU CCV problems

[docnabimmer]

Originally Posted by 2004325ciLover

I'm 10K miles in.

Oil consumption went from a quart every 800ish miles to a quart every 3500ish miles.

I have 180K miles on my engine. No major leaks. RMS and oil pan has tiny amount of sweat, but has since I've owned the car at 134K miles.

Doc, do you ever throw an SES for high STFTs?

Here's what is occurring for me ever since I performed the mod:

https://youtu.be/LBC6gBnxTRY

I had the EXACT SES light with High LTFT like yours, traced it to a loose connection between pcv hose to rear intake port. I tightened that up and have never had an SES light since. Monitoring LTFT after that shows my readings hovering around the 5-8 not going over 10 and triggering a SES.
just keep in mind that will all this I noticed a small oil leak that i had thought was from the OIL Level sensor- it wasnt, it was from a split RUBBER Cover to my OIL DIPSTICK TUBE.
5k into the MOD and I chickened out thinking it was my RMS or OIL PAN GASKET.
Went back to our conventional CCV factory set up with 5-30 Supertech FS.(yes-thats right)

So far 1/2 quart low .2000 miles in.SWitch to Rotella next.