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7 Series / 8 Series
The BMW 7 series and 8 Series Forum

 
 
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  #1  
Old 02-25-2010, 05:13 PM
pbstrickland pbstrickland is offline
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Location: Franklin, TN
 
Join Date: Sep 2008
Posts: 38
Mein Auto: 2001 740iA Sport
OSV vs Oil Separator

What is the difference between these two, I replaced the OSV and now I read about the oil separator which seems different. How do I replace that? is it a big job?
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  #2  
Old 03-02-2010, 02:16 AM
Beemaboy Beemaboy is offline
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Location: South Africa
 
Join Date: Jun 2006
Posts: 272
Mein Auto: 320I, 525I and 740I
The OSV sits on the back of the manifold and just has a valve in it that regulates the pressure of the manifold...
The actual oil seperator sits down inside the front of the engine. As far as I know, you have to remove the timing cover/timing chains to remove this. I had it replaced when I had the headgasket done on my car...

Item you are talking about is number 1 in this diagram and sits at the front of the engine...
http://www.realoem.com/bmw/showparts...54&hg=11&fg=15
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