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So, i have had a constant oil leak since i purchased my 2001 325Ci. I couldn't narrow down the cause. I thought maybe the oil filter housing or the oil pan gasket... however, when i changed my oil i noticed something interesting...

The brass washer had a groove in it, but the new filter and gasket set had a flat brass washer. I found it interesting but thought it was just because of a different brand of filter. However, since i have changed the oil and replaced the brass washer, the LEAK HAS STOPPED!!

Sometimes BMW's are complicated, but sometimes it is the simple things. Awesome!!!

Just wanted to share! Have a good weekend!!
 

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It's amazing how it's always the tinyest of things that make the biggest mess.

My hose clams on the Power Steering hoses coming from the resevoir went bad, causing a small leak, leading to a HUGE 5-10 drip a night leak.

Just for a $0.39 part. :facepalm:
 

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The grooved copper washer is a reused one. The groove was caused by the previous deformation. I see that all the time and that's why I do oil changes myself.
 

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And once every 10 years, I change the o-rings on the top of my dipstick!

Oh, yes, you can get them!
I did that!
 

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And once every 10 years, I change the o-rings on the top of my dipstick!

Oh, yes, you can get them!
There are o rings on the dip stick?!

What does changing that do?
 

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lol.

oh he was just being funny.

:hmm:
Del, I'm in a place where it's more important to get these 2 o-rings than my rear seat cupholder! It just makes it tighter is all. After I did it, I ended up getting a new dipstick anyway...don't want to re-live that whole mess here again!

But, if anyone wants my old dipstick with two fresh o-rings on it, let me know! (I know...PM sent!)
 
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