Hello.i would to try this DIY but the PCV valve you added I can’t find on eBay or somewhere.
I can’t buy from autozone because I’m not leave in US
So someon else who could suggest me any other Eshop in Europe or any other PCV valve who will work in this DIY?

- Long-term Follow-up. My mod setup was in thread # 164, Dec. 2016.

- 15K miles later, zero oil consumption!

Before this mod, my oil consumption was 1 qt/300 miles! I was not happy!!!

Sincere thanks to the original poster...

Related Topic...

The Duralast PCV Valve, how often do we need to replace it?

What is your experience with other cars that use this simple Duralast (or similar) PCV valve in terms of routine maintenance, i.e., how many miles when it needs to be replaced?

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10,000 miles and two years of driving in very cold weather and short trips. I never have to add any oil. There is not any mayonnaise type goop in the valve cover gasket!

I have a really bad idle in D and R (red lights). Smooth idle in park and neutral. Car seems to drive well. Usually use qt. of oil about 500-750 miles. I have done just about everything you can think of to this car except CCV. 2001 X5 3.0i and 187k miles. Do you think this could be my culprit? How are cars with modification? Are they all still ok? Are their any new updates?

Yes,

Do the CCV Mod and you WON'T regret.

Close to 70k with this mod with zero oil consumption. On two occasions the CEL came on with misfire codes. Both were vacuum leaks. One was from a plug that developed a crack in it. The other was from a piece of original CCV hose that developed a small crack. Easy fixes. Great mod!

I did this and now my engine is making a squeeking sound when it is under vacuum.
If I take the oil cap off the squeek goes away and if I put my hand over the hole the squeak gradually comes on when the vacuum builds.
When I shut the engine off I can hear the squeek slowly fade away as the vacuum pressure equalizes with the atmosphereic pressure..

It sounds like some seal is letting in air and acting like the reed of a clarinet or something..
Is this bad or OK? Could it hurt something? Do you think it will stop? Too much vacuum?

If you mean the CCV mod by I did this, check your work, Lots of suction at the oil cap can be a symptom of CCV problem. The sound could also be a vacuum leak. A smoke test is the best way to see if that is the problem. Where is the noise coming from?