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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum Oil in N55 valve cover- normal?
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      02-13-2024, 09:02 PM   #1
acarpenter86
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Oil in N55 valve cover- normal?

Changing my VCG, yet the VC itself is relatively new so I was not planning to replace it. However, it did have a decent amount of oil inside the upper cavity.
Is this normal operation of the PCV system? 2011 535i xDrive 157k (VC is much newer).
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      02-14-2024, 04:12 AM   #2
Surly73
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Pics.

If it's inside of the vacuum reservoir, that can be an internal crack in the VC. Meaning you'd need a new VC, no matter how new it already was. What brand is it? OE, at least?
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      02-14-2024, 09:02 AM   #3
acarpenter86
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By George, I believe you are onto something.
I also have a couple of air mass faults.

https://youtu.be/7W_QG0oywCw

This video seems about right.
Might as well go with a new cover to eliminate.
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      02-14-2024, 04:05 PM   #4
Surly73
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Quote:
Originally Posted by acarpenter86 View Post
By George, I believe you are onto something.
I also have a couple of air mass faults.


This video seems about right.
Might as well go with a new cover to eliminate.
Yah - I was thinking of that video later and was going to see if I could try to find it. The relevant info is just a nugget out of the whole run time of the video - but that's exactly what I was thinking of...
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