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10-26-2018, 12:21 PM | #1 | |
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Posted here: https://www.e90post.com/forums/showt...5#post23850085 Quote:
Just swapped the solenoids, drained the oil and found that. The plastic component fits into the spring, looks slightly chewed up but appears almost completely intact. Some more pics here: https://photos.app.goo.gl/JsV5mUFNkfE4Gtn79 Been pouring over various N54 diagrams and can't find anything like it. I thought it was the oil bypass but that spring is intact. |
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10-26-2018, 12:34 PM | #2 |
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Might be something EGR related when I had the valve cover gasket open?
The oil was very clean, no metal flakes or coolant or anything. What I did find was the top part of the oil filter had come off the rest of the mesh....
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10-27-2018, 04:02 PM | #3 |
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Local BMW dealership had no idea, the spring is about 1 inch in length.
Two theories: Oil pump? Oil leveling sensor internal parts? Going to try to pull that sensor tomorrow as the weather is complete shit today.
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10-28-2018, 10:10 PM | #4 |
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So by the last pic in the album you figured out what it is?
Oil filter bypass valve. I'd of had no idea. I haven't done that gasket yet, dealer did for me though. Kinda curious why it was lying on the splash shield though. Wasn't one in the oil filter housing, or the one in there (one you found) was damaged? |
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10-29-2018, 07:46 AM | #5 | |
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Quote:
But that is how I pulled it out, it was still intact. Still super confused as to what it is.
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11-05-2018, 05:21 PM | #6 |
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11-07-2018, 09:17 AM | #7 | |
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Quote:
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