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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #26  
Old 04-17-2013, 04:13 AM
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At this point I'll try anything!!! I've been trying to rent my tools from besian to do my Vanos seals for the past month, but keep having to spend money on other things. I was hoping to order them Friday, but if I'm buying a new ofh that'll be that. So yeh.... I'll give it a try. Thanks!

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  #27  
Old 04-17-2013, 08:20 PM
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I don't understand. I have an m5 and changed the oil filter and put a new O ring on it. DOESN'T leak at all. Is this a 6 cylinder problem
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  #28  
Old 04-17-2013, 08:21 PM
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Originally Posted by diggyd357 View Post
but keep having to spend money on other things.
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  #29  
Old 04-17-2013, 09:19 PM
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The oil filter housing gasket is not the o ring... It's a gasket where the filter housing meets the block down near the power steering pump. Oh how I wish it were that easy.....
POOLMAN... I read up on "the right stuff", it's just a permatex sealant correct? I actually used a permatex sealant when I put it back together. Although I just put it around the outer mating points, it does seem to have helped since the leak is not as bad, but still it leaks. There was just a 97 528i exactly like mine in my local PULL A PART, but now it's gone... I would sure like to have that ofh since I'm convinced mine is warped. I'll update when I get this fix... And I WILL get it fixed! ! ! !

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  #30  
Old 04-17-2013, 10:10 PM
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You can check for warp using a straight edge and a feeler gage. If warped put a sheet of 180 grit emery cloth on a flat surface like a table saw or granite counter top. Make sure SO is out shopping. Rub the OFH flange back and forth. There is a tendency for flange to rock and lift off emery cloth at beginning of stroke so be careful to keep the flange in full contact with the emery cloth throughout. Change direction a few times. This will quickly remove the high spots.


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......... I'm convinced mine is warped......
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  #31  
Old 04-18-2013, 04:07 AM
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Originally Posted by pshovest View Post
You can check for warp using a straight edge and a feeler gage. If warped put a sheet of 180 grit emery cloth on a flat surface like a table saw or granite counter top. Make sure SO is out shopping. Rub the OFH flange back and forth. There is a tendency for flange to rock and lift off emery cloth at beginning of stroke so be careful to keep the flange in full contact with the emery cloth throughout. Change direction a few times. This will quickly remove the high spots.
I used to do that to my head cover of my dirt bikes.... Worked GREAT ! Definitely worth a shot. Thanks for idea... This will be my Sunday morning project, got a company crawfish boil Saturday... ain't missin' that lol...

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  #32  
Old 04-18-2013, 02:25 PM
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Originally Posted by diggyd357 View Post
The oil filter housing gasket is not the o ring... It's a gasket where the filter housing meets the block down near the power steering pump. Oh how I wish it were that easy.....


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My filter housing doesn't touch the block. it is connected via hoses. Is this a straight 6 problem?
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  #33  
Old 04-18-2013, 03:39 PM
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cn90, I should've learned by now to simply follow your diy to a tee , but I'mhardheaded lol. Instead of doing freeze plugs with a bolt and washer Ijust cleaned the area real ggood and filled it with RTV and wouldn't you know this is the source of the leak. I cleaned everything again, drove a few miles then checked the area and noticed about 4 droplets weeping from the RTV covering the freeze plugs. The oil is then running along the washer ridge and down the groove where the ofh mates with the block and dripping from there. So now I'll be taking it all back apart to do what I should've done it the first place.
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  #34  
Old 04-18-2013, 05:52 PM
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^^cn90 is a good fester, I wish I could be like him^
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  #35  
Old 04-19-2013, 05:43 AM
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If you can get to the freeze plugs--the right stuff I referred to you will stop that leak as well--My oil level sender under the oil pan was leaking and I sprayed it down with brake cleaner after draining the oil--then put a good coating around the senders gasket--let sit up over night--not a drop has leaked in over 6 months--
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  #36  
Old 04-19-2013, 07:00 AM
cn90 cn90 is offline
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Nothing wrong being hardheaded LOL.
Glad you pinpoint the source of the leak.
Those "freeze plugs" are a pain to deal with.
But if you follow the DIY to a T, then you should be fine.
Read it carefully, and use the bolts as I mentioned, torque it down very very gently!
It has been 4 years now since I wrote the DIY, the freeze plugs are bone dry!

Post some photos of your fix.
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  #37  
Old 04-28-2013, 08:21 PM
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Re: Changed ofhs Twice with oem and still leaking !

I've been dealing with that dang neutral safety switch so haven't had a chance to do the freeze plugs yet, hopefully this week weather permitting. I'll post the final results.

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  #38  
Old 05-04-2013, 06:11 PM
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Freeze plugs are done ! I'll report back tomorrow with "LEAK... or NO LEAK" !
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  #39  
Old 05-04-2013, 07:18 PM
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Quote:
Originally Posted by hh3uunp View Post
My filter housing doesn't touch the block. it is connected via hoses. Is this a straight 6 problem?
It is exclusively an inline issue. As rotting plastic timing chain guides and leaking valley pan gaskets are exclusive to the V8's.
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  #40  
Old 05-05-2013, 05:16 AM
kmorgan_260 kmorgan_260 is offline
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Quote:
Originally Posted by pshovest View Post
You can check for warp using a straight edge and a feeler gage. If warped put a sheet of 180 grit emery cloth on a flat surface like a table saw or granite counter top. Make sure SO is out shopping. Rub the OFH flange back and forth. There is a tendency for flange to rock and lift off emery cloth at beginning of stroke so be careful to keep the flange in full contact with the emery cloth throughout. Change direction a few times. This will quickly remove the high spots.
I wouldn't advise this on the counter top (assuming the SO will return at some point to see the scuff marks on her counter). I would suggest having a machine shop do this for you. I had a head done recently and it was only $80 so I am guessing they will resurface the OFH for half that much.
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  #41  
Old 05-05-2013, 01:30 PM
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So far so good! I haven't driven it much, but no drips in the driveway as of now. I kinda combined poolman and cn90's suggestions.... I used the bolt and washer, but with "the right stuff" instead of the roof patch. Fingers are crossed .
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  #42  
Old 05-06-2013, 06:37 AM
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Roof Caulk is the right stuff. Four (4) years later, zero leak, bone dry.
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  #43  
Old 05-08-2013, 07:41 AM
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Okay, the verdict..... NO LEAK!!!!!!! Not so much as a drop in 3 days! Thanks to EVERYONE, seems like the freezeplugs were the culprit. Now time to order those vanos timing tools and tackle these seals!!!
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  #44  
Old 05-16-2013, 11:23 AM
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Re: Changed ofhs Twice with oem and still leaking !

2 weeks no leaks!!!! 2 days and counting till vanos seals replacement. Can't wait to see how the car pulls after the legendary vanos seals are done!!!!!

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