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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 04-21-2013, 11:41 AM   #1
jwbeck17
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Join Date: Nov 2012
Location: Villanova
Posts: 77
My Ride: 2005 330xi
Possible Oil Leak

I was under my 2005 330xi for some transmission work and have noticed a little oil at the base of the engine. I have replaced the valve cover gasket and the oil filter housing gasket. The vanos area looks clean. Just looks like I am collecting a few drops at the bottom. Got a pic:

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Also a few drops around the oil plug:

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And a drop coming off of a bolt where it meets the tranny.

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Any thoughts on where to check for these?


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Old 04-22-2013, 06:50 PM   #2
latitude39
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Join Date: Jan 2010
Location: United States/Colorado
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My Ride: 2002 325xi
Quote:
Originally Posted by jwbeck17 View Post
... noticed a little oil at the base of the engine. I have replaced the valve cover gasket and the oil filter housing gasket. The vanos area looks clean. Just looks like I am collecting a few drops at the bottom.

Any thoughts on where to check for these?
Maybe it's the radial seal where front driveshaft plugs into the mounting pedestal. It's an eight-dollar seal that requires the axle half-shaft to be removed.

It's also possible that this is leftover oil from before you VCG job.
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Old 04-22-2013, 10:38 PM   #3
jwbeck17
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Join Date: Nov 2012
Location: Villanova
Posts: 77
My Ride: 2005 330xi
Possible Oil Leak

Thanks! I'll take a look at that driveshaft seal. I thought it could be residual oil from the vcg/ofhg replacement, but I had cleaned the area previously. However, the scent of burning oil is gone from prior to the gasket repairs, and there are no signs of leaks from the top.


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