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E60 / E61 (2004 - 2010)
BMW 5-Series E60 Sedan was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E61 wagon followed shortly there after. The E60/E61 5 series is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 08-15-2019, 05:41 AM
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Leaking oil in front of Engine. Cant find

I am at a loss.

Belt literally exploded in pieces so I changed that. Then the fun really began.

Oil was definitely leaking from the oil filter housing. I changed both oil filter housing gaskets. Still leaking somewhere else. Then I saw oil dripping from the oil driver oil cooler hose and the fan was blowing the oil on the front of the engine. I thought AHA I got you M-FER!! Changed both Oil cooler hoses w/O rings. No DICE!! It does not seem to leak at idle. It almost seems like the oil is getting picked up by the belt and slinging it everywhere. I am open to any suggestions. It looses oil really fast when I get on it.

I have used all OEM BMW parts btw.

I am so frustrated with this crazy thing. She is so much fun to drive but damn this thing is falling apart.

146K miles
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  #2  
Old 08-15-2019, 05:48 AM
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Doug Huffman Doug Huffman is online now
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Possibly the reason the belt literally exploded in pieces is for being contaminated with oil. Elastomers, belts, hoses, vibration reducer fail untimely for being contaminated with fuel, oil or coolant.

Very often pieces of belt get forced through the front main seal and into the interior of the engine.
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Old 08-15-2019, 06:34 AM
twh twh is offline
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If you clean off the engine front of all the oil sludge you should be able to find the source of the leak by following the fresh oil.
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Old 08-18-2019, 04:44 PM
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I removed the engine shrouds on the bottom and presure washed everything. Its all nice and clean now. I jacked it up and started it up. At idle it does not leak. After revving it up a few times I finally started to see a little oil right under the harmonic balancer. I see nothing on top. So it looks like the front main seal is leaking and hitting the belt then it slings the oil all over the place. Does this sound possible? Has anyone experienced this situation on their bimmer or am I way off base here? I am a hair line away from giving up and taking it my indie.
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Old 08-18-2019, 06:33 PM
wcr3d wcr3d is offline
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As Doug mentioned that is the front main seal.
I would suggest the Indy.
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Old 08-18-2019, 06:50 PM
DJtoad DJtoad is offline
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While not all that difficult, the removal/installation tool and required sealer will cost you around $200. I'd just have a qualified BMW indie do the work.
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Old 08-18-2019, 07:58 PM
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Quote:
Originally Posted by JohnnyTurbo View Post
I removed the engine shrouds on the bottom and presure washed everything. Its all nice and clean now. I jacked it up and started it up. At idle it does not leak. After revving it up a few times I finally started to see a little oil right under the harmonic balancer. I see nothing on top. So it looks like the front main seal is leaking and hitting the belt then it slings the oil all over the place. Does this sound possible? Has anyone experienced this situation on their bimmer or am I way off base here? I am a hair line away from giving up and taking it my indie.
As others have said, it can leak and unless you are an experienced DIY, I'd take it someplace.

But, you also have to satisfy yourself that your previous belt destroying episode didn't wrap the belt around the harmonic balancer and find it's way into the engine via the front main seal. That is not an uncommon problem with the N52 and N54 engines. You can search the forum for other cases and some have pictures of belt pieces in oil pans and timing chains and more. Now, typically, these cars that have had the catastrophic belt wrapped around the harmonic balancer don't run right afterward.
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Old 08-19-2019, 01:06 AM
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get rid of it...

your on a path to a engine loss,

Get rid of it now
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Old 08-19-2019, 01:46 PM
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Well dang. I called my indie this morning and he told me the exact same thing. He said he will take everything apart and clean it all out for around 3k. He told me not to drive it, but to have it towed. For a second I thought he was pulling my leg until I got home and read this. OMG I drove this thing for to work and back when I thought I fixed the oil leak. I think Im going to cry.
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Old 08-20-2019, 12:12 PM
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bmrboy2008 bmrboy2008 is offline
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I feel your pain. I had to ask BMW to buy my 2008 535i back because of the dreaded HPFP and fuel injector issues. It went down 8 times before I turned it in. Time to get rid of it and get a new G30.
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Last edited by bmrboy2008; 08-20-2019 at 12:14 PM.
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