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E85 / E86 Z4 (2003-2008)
E85 Z4 convertible and E86 Z4 coupe talk with our BMW gurus here.

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  #1  
Old 09-28-2012, 07:58 AM
ac6fy ac6fy is offline
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Mein Auto: 2003 BMW Z4
Z4 Replace Oil Separator

Hi guys, anybody here had experienced replacing an oil separator for Z4 3.0 ? BMW dealer said, there is leak on the oil separator and cost of replacement is $1100. Any help on DIY will be greatly appreciated. Thank you.
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  #2  
Old 09-28-2012, 10:40 AM
lovemyz3 lovemyz3 is offline
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Is it the oil separator hose? I would do the hose myself. Where is it leaking?

Last edited by lovemyz3; 09-28-2012 at 10:59 AM.
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  #3  
Old 09-28-2012, 10:52 AM
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SD Z4MR SD Z4MR is offline
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Quote:
Originally Posted by lovemyz3 View Post
Is it the oil separator hose? If so, do it yourself.
Telling him "do it yourself" is not exacty "help". He wants to do it himself, he's looking for DIY help or experience.
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  #4  
Old 09-28-2012, 10:59 AM
lovemyz3 lovemyz3 is offline
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Quote:
Originally Posted by SD Z4MR View Post
Telling him "do it yourself" is not exacty "help". He wants to do it himself, he's looking for DIY help or experience.
Good point. Came out wrong. Edited it.
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Old 09-28-2012, 12:02 PM
ac6fy ac6fy is offline
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By the way, where is this oil separator located? I will check it myself tomorrow.
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Old 09-28-2012, 08:03 PM
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Randy Forbes Randy Forbes is offline
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This might be similar, it's a 3.0.

I asked my parts gal for the "cyclone separator fun kit" it contained all the (brittle) hoses and the separator (located under the intake manifold, but accessible).





http://www.spcarsplus.com/gallery3/i...MS_330i?page=2
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Last edited by Randy Forbes; 09-28-2012 at 08:04 PM.
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