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E34 (1989 - 1995)

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  #1  
Old 11-30-2012, 10:25 AM
amk42092 amk42092 is offline
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Exclamation Name this part! (Please)

Can anyone name this hose that is missing? It's leaking oil onto my engine
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  #2  
Old 11-30-2012, 10:27 AM
amk42092 amk42092 is offline
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  #3  
Old 11-30-2012, 10:58 AM
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BMR_LVR BMR_LVR is offline
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Mein Auto: 1992 525i
It looks like part #5 here:

http://www.realoem.com/bmw/showparts...57&hg=11&fg=15

The hose goes up under the intake manifold. I tried to look at mine to tell exactly where it goes, but I couldn't see where it terminates. Maybe someone here who has removed the manifold or replaced the hose before can give you more information.
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  #4  
Old 11-30-2012, 11:15 AM
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Monsignor Monsignor is offline
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Yeah that's your valve cover breather hose. There's two on that little plastic bit that clips on, a smaller one that goes under the bigger one. I replaced them without removing the intake manifold. Just nutted up and shoved my hand in there and followed it. Put a dab of Vaseline on the end so it'd slide on easier.
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Last edited by Monsignor; 11-30-2012 at 11:18 AM.
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  #5  
Old 11-30-2012, 11:35 AM
robertobaggio20 robertobaggio20 is offline
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Quote:
Originally Posted by 95 E34 View Post
Yeah that's your valve cover breather hose. There's two on that little plastic bit that clips on, a smaller one that goes under the bigger one. I replaced them without removing the intake manifold. Just nutted up and shoved my hand in there and followed it. Put a dab of Vaseline on the end so it'd slide on easier.
You just saved yourself $500-$700 good on you Padre !!
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  #6  
Old 11-30-2012, 03:38 PM
amk42092 amk42092 is offline
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Thanks a lot guys! So the smaller tube, where exactly does it connect to? And, if you wouldn't mind helping out a new learner, what is the function of the tube? I don't think I fully understand the purpose of the valve cover breather, from what research I've done. It is to release air pressure, right? So why is oil coming out? And lastly, I've seen small filters on the breather, why should the air be filtered, or is the air recycled? Thanks for the patience and thanks again for the help guys!
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  #7  
Old 11-30-2012, 03:42 PM
amk42092 amk42092 is offline
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And so I guess some engines release this air into the air (lol) and some recycle it back into the air intake (like mein auto, right?). So I still don't understand why some have a filter on it, if it's not going into the intake?
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  #8  
Old 12-01-2012, 07:16 AM
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BMWFatherFigure BMWFatherFigure is offline
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Don't use Vaseline. Use rubber or silicone grease.
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  #9  
Old 12-01-2012, 07:36 AM
robertobaggio20 robertobaggio20 is offline
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Quote:
Originally Posted by BMWFatherFigure View Post
Don't use Vaseline. Use rubber or silicone grease.
I just dab a little oil from the dipstick onto it. Quick n dirty.
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