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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E60 / E61 (2004 - 2010)

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 06-03-2015, 06:57 AM
Skavilla Skavilla is offline
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Location: Atlanta
 
Join Date: Mar 2015
Posts: 25
Mein Auto: 2008 535i
E60 Oil Leak

My 2008 535i has started leaking oil pretty badly. After driving it and parking it in my driveway, I have a noticeable puddle of oil under the car.
Took the splash guards off and that big metal plate off from under the engine. Metal plate had a bunch of oil on it.
Ran the engine for a few minutes while I was under the car but couldn't see anything obviously leaking.

Any suggestions on how to locate where the oil is coming from?

Thanks!
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  #2  
Old 06-03-2015, 07:20 AM
banglenot banglenot is offline
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Location: Ft. Lauderdale and Connecticut
 
Join Date: Feb 2004
Posts: 2,232
Mein Auto: 2007 530
Quote:
Originally Posted by Skavilla View Post
My 2008 535i has started leaking oil pretty badly. After driving it and parking it in my driveway, I have a noticeable puddle of oil under the car.
Took the splash guards off and that big metal plate off from under the engine. Metal plate had a bunch of oil on it.
Ran the engine for a few minutes while I was under the car but couldn't see anything obviously leaking.

Any suggestions on how to locate where the oil is coming from?

Thanks!
First, with a major leak, don't let the oil run low while you're looking. Running the sump below the oil pump intake will kill your engine faster than you can believe. If you need to take it in, have it flatbedded, unless you've found the leak to be a slow one or not the motor oil.

The leak could also be the power steering fluid, or even the transmission fluid. Both have piping that runs across the bottom and lower front of the engine. Note that N54 power steering fluid is usually brownish-green and older transmission fluid will be brown as well -- but neither will typically be as discolored as typical motor oil.

Second, you need to carefully inspect the engine to find the leak. Clean it off. It could be a number of places: oil drain plug; oil pan gasket; valve cover; oil filter cap installed badly; oil filter cooler assembly; power steering piping; transmission cooler piping.

Good luck. Let us know what you find.
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Last edited by banglenot; 06-03-2015 at 07:22 AM.
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  #3  
Old 06-03-2015, 07:48 AM
Skavilla Skavilla is offline
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Location: Atlanta
 
Join Date: Mar 2015
Posts: 25
Mein Auto: 2008 535i
Thanks, Bangle.

It is definitely oil leaking as the level has dropped significantly since this started. I cleaned everything off of the engine that I could reach. Again, nothing substantial that I could see, although the engine was only idling while I was looking. I will get a helper to rev it up while I look again today.

I will check the things you suggested.

Thanks again!
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  #4  
Old 06-03-2015, 01:24 PM
srschang srschang is offline
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Location: Jamestown, NY
 
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Mein Auto: 528xi
I'm in the same situation with my 2008 528xi. Probably a 6" diameter puddle overnight. I took off the splash guard, and the big aluminum plate, and oil was everywhere. Keeping my fingers crossed because it was leaking, I changed the valve cover gasket, then gunked all over the engine. The next morning, I gunked again, then rinsed the engine top & bottom with warm water. The engine looked like new!

So I cleaned the aluminum plate, put it back on, and gave it back to my wife to drive for a couple days. Puddle of oil again! But now it's very clear that the leak is either the back of the oil pan, or the rear main seal. I'm not sure how to tell which it is. Looking through the small square inspection hole, I can see a little of the flexplate & ring gear, & they're both dry. I'm taking it to an Indy tomorrow, he's going to put it on the hoist, clean it up, & put dye in the oil. Not sure if that will help tell which it is. We'll probably take our best guess, and have him replace either the oil pan gasket or rear main & cross our fingers. He's leaning toward oil pan gasket. He says if he does it, he won't use an oil pan gasket, he'll use some sealant Subaru uses to seal the engine case together. I need to understand that better.
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  #5  
Old 06-03-2015, 07:32 PM
Skavilla Skavilla is offline
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Location: Atlanta
 
Join Date: Mar 2015
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Mein Auto: 2008 535i
Thanks for the info.

I am taking it to my indy, also. I was going to do valve cover and oil housing gaskets, but I figure I will get mechanic's opinion before delving into that.

Good luck, and let me know how yours turns out!
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  #6  
Old 06-10-2015, 07:16 AM
Skavilla Skavilla is offline
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Location: Atlanta
 
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Mein Auto: 2008 535i
Okay,
took it to my indy: Rear engine seal gone bad. About $950 to repair. Big job, out of my league.
Still about $600 less than the $tealership charges for same thing.
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  #7  
Old 06-10-2015, 07:52 AM
banglenot banglenot is offline
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Location: Ft. Lauderdale and Connecticut
 
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Quote:
Originally Posted by Skavilla View Post
Okay,
took it to my indy: Rear engine seal gone bad. About $950 to repair. Big job, out of my league.
Still about $600 less than the $tealership charges for same thing.
Thanks. Good tip -- hope it helps others.
__________________

2007 530I
2003 325XI (gone)
2004 530I (gone)
2001 530I (gone)

BMW CCA Member 10+ Years
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  #8  
Old 06-16-2015, 02:29 PM
srschang srschang is offline
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Location: Jamestown, NY
 
Join Date: Oct 2013
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Mein Auto: 528xi
So I finally got a call from the dealer. They say it's either the rear seal or bedplate. If it's the rear seal, $1700. If it's the bedplate, around $4000 in labor alone. They won't know until they get the transmission pulled off. Worst part is they can't work on it for a couple weeks.
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  #9  
Old 07-02-2015, 03:27 AM
srschang srschang is offline
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Location: Jamestown, NY
 
Join Date: Oct 2013
Posts: 48
Mein Auto: 528xi
Ended up being a rear seal leak. The dealer charged $1280 to replace it. I didn't think that was too bad. Good to go for another 150,000 miles!
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