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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > Engine Oil Breather



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      07-08-2012, 09:31 AM   #1
no_ball
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Engine Oil Breather

Dear all,
Just some advice please, I am in the process of changing the oil breather; the existing oil breather is covered by a cover, I have removed the bolts around but cant seem to dislodge the cover covering the oil breather. Any suggestions please?
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      07-08-2012, 12:02 PM   #2
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Habe you taken off the scuttle panel?
Cant see clearly from your picture but seems like the scuttle panel is still on

oil breather pipe is held on with 3 bolts and 1 torx screw pipe
http://www.e90post.com/forums/showth...ght=boost+pipe
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      07-08-2012, 12:06 PM   #3
no_ball
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Hi, yep took scuttle panel off. That part you see is the back part of the engine cover.

There is a cover on the left hand side that needs removing, did you have to.. It was going so well, your instructions were perfect.
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      07-08-2012, 12:20 PM   #4
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there was no cover on mine, must be on the 330d's?
can yo see any bolts holding it in?
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      07-08-2012, 12:41 PM   #5
no_ball
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Yep there are, all undone but cover doesn't want to budge; put it back together, in and out of the showers today!!
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      07-08-2012, 01:35 PM   #6
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sometimes they are held in with strong clips, I will have a look at the BMW tis later on to see how it comes off
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      07-08-2012, 01:55 PM   #7
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many thanks mistryn, i yanked as hard as I dare (the cover...) on a sunday but gave in finally. I think the 330d differs in that is has a cover covering the oil breather on the left side. Can't see the same cover in your pictures. I disassembled following your instructions, but fell over at the last hurdle. Feel better if I change the part rather than the dealership. This cover is part of the engine and also extends to the air intake system.

Thanks for your help on this.
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      01-13-2015, 08:12 AM   #8
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Hi guys, I have she same problem. I am trying to remove oil breather from my 2006 330xD e92. I unscrewed 5 screws on it but it does not move at all. Did you find a solution for this?
Thanx...
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      01-13-2015, 08:14 AM   #9
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Is this same as CCV breather?

How often should they be changed roughly mine was changed 12k miles ago

The company that changed it mentioned changed to the older style as it was better somehow?

cheers
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      01-13-2015, 05:09 PM   #10
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the early breathers were the loo roll type filter and where prone to blocking causing turbo problems this was changed to the upgraded breather which should be the vortex type it has no filter consists of a rubber diafram activated by pressure.
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      01-16-2015, 07:01 AM   #11
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Quote:
Originally Posted by oldbilly View Post
the early breathers were the loo roll type filter and where prone to blocking causing turbo problems this was changed to the upgraded breather which should be the vortex type it has no filter consists of a rubber diafram activated by pressure.
Did you change yours by yourself? is there something else to unscrew but this 5 screws on the breather because I can not get it out on my 330xd e92?
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      01-16-2015, 10:39 AM   #12
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you have to pull quite hard for it to come off - Yes its only held by 5 bolts. It has a rubber seal so most likely that causing it to be stuck
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