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  #1  
Old 01-26-2015, 12:55 AM
82NCMARINE6CSI 82NCMARINE6CSI is offline
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Mein Auto: 1997 BMW 740iL
2001 X5 4.4i - CCV/Oil separator confused

Hello all, first post but long time bimmer owner. Must say that this forum has always been my go to with many questions! A LIFESAVER!

As my title states, CONFUSED! I recently purchased a 2001 X5 4.4i and after a lot of work finally got it running, but still has issues. My confusion is over the hoses that connect to the valve cover, rear intake cover, and the CCV/Oil separator. I have seen two images pertaining to these hoses. In one image it shows the hose from the valve cover going to the top port of the oil separator, in another image it shows the hose from the VC going to the bottom port of the OS. Can someone please help me down the right path! Would be greatly appreciated, thanks in advance.
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  #2  
Old 01-27-2015, 10:50 AM
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tim330i tim330i is online now
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Welcome to Bimmerfest! I've moved your question to our X5 forum, you will get more help in here.

Tim
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  #3  
Old 01-27-2015, 06:04 PM
82NCMARINE6CSI 82NCMARINE6CSI is offline
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Thanks Tim !
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Old 01-28-2015, 08:26 PM
Bavariak1ller Bavariak1ller is offline
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It's been a while but hose from ccvv goes to top port of oil separator and valve cover hose goes to bottom port of oil separator. Then there's the oil drain hose which you should replace also.
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Old 01-28-2015, 08:29 PM
Bavariak1ller Bavariak1ller is offline
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Ps don't get confused. The rear plate is the ccvv. The oil separator is the cyclone separator (looks like the dyson vacuum cones) that the small oil drain hose is on.
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Old 01-28-2015, 10:27 PM
82NCMARINE6CSI 82NCMARINE6CSI is offline
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Thanks a lot for your response, that's the way I had it connected at first but then I came across a diagram showing the opposite. I tried it that way and it ran so much better. There was still smoke but the idle was steadier. But then I kept getting p1349 so did compression check and the cylinder was completely flat. Anyhow, I'm in the process of installing another motor.
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Old 01-28-2015, 10:29 PM
82NCMARINE6CSI 82NCMARINE6CSI is offline
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Here is the diagram
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Old 01-28-2015, 10:41 PM
82NCMARINE6CSI 82NCMARINE6CSI is offline
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Here it is, follow the hoses from the oil separator.
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