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      11-25-2021, 11:43 PM   #1
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Leak in CCV?

Hey guys,

Just noticed something that looks like a fait oil leak/weep above between coil 6 and 7 and was wondering if anyone know where it could be coming from.

To me it looks likes the the hose/o ring that is number 1

https://www.realoem.com/bmw/enUS/sho...diagId=11_5937

What about the plastic cap thing with the bolt through the middle, on the left in the 2nd pic.
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      11-26-2021, 01:32 AM   #2
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So it looks like the plastic vent hose is the issue. The oil in kind of cantered around it.

The plastic holder thing that has a bolt thought, looks like it has some oil at the base of the leg but its doesn't go up or around it.

So am I in the right direction or ? I don't want to remove the plastic hose, as the dealer is currently close and I cant check to see if they have a space. Encase i break it.
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      12-12-2021, 11:08 PM   #3
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Originally Posted by Chilled View Post
So it looks like the plastic vent hose is the issue. The oil in kind of cantered around it.

The plastic holder thing that has a bolt thought, looks like it has some oil at the base of the leg but its doesn't go up or around it.

So am I in the right direction or ? I don't want to remove the plastic hose, as the dealer is currently close and I cant check to see if they have a space. Encase i break it.
That’s the crankcase vent hose leak
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      12-12-2021, 11:11 PM   #4
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Cbozz So the plastic hose with the 2x bolts, that connects to the intake?
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      12-13-2021, 08:18 PM   #5
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Cbozz So the plastic hose with the 2x bolts, that connects to the intake?
yea looks like it from the limited picture i see.. i had to replace mine so I know how the connection to the valve cover looks like
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      12-13-2021, 09:44 PM   #6
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Cbozz So the plastic hose with the 2x bolts, that connects to the intake?
see I had some oil seeping there but if you follow the hose it will take you to the same spot that you have the leak
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      12-13-2021, 10:59 PM   #7
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I did take the plastic cover off and move that expansion tank thing. To try and trace up, but all that hose connects to was the Air Intake.

I did clean the area a bit, after i found the initial weep and it looks like there is now it has a very faint weep again.

Just not sure what else is up there that can leak in that way. I did look around and it looks like the oil is only around the area where the hose bolts on, and the oil was running to the outside of the engine. Nothing into the hot V.
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