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      03-02-2023, 06:20 PM   #1
trungnguyen28
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Light oil leak around pan/drain plug?

Early model 2015. Coming up to 60k miles.

Never noticed this issue before and no leak prior until I started to see a couple drops of oil in the garage.

Any guesses before I try and pull off the skid plate and dive deeper?
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      03-02-2023, 06:54 PM   #2
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It’s hard to tell with just that picture, but it could be your oil pan gasket or loose/missing washer on the oil pan drain bolt. Take off that aluminum cover and get a better picture.
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      03-02-2023, 09:44 PM   #3
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Do you replace the drain plug every oil change?
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      03-02-2023, 10:44 PM   #4
trungnguyen28
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Quote:
Originally Posted by K8_M235i View Post
Do you replace the drain plug every oil change?
Indeed I do!
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      03-02-2023, 10:45 PM   #5
trungnguyen28
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Quote:
Originally Posted by Tdog86 View Post
It’s hard to tell with just that picture, but it could be your oil pan gasket or loose/missing washer on the oil pan drain bolt. Take off that aluminum cover and get a better picture.
Yeah that's the next thing. I just curious why its on the pan.. I tightened the drain plug again.

Here's to hoping its just a faulty plug.
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      05-17-2023, 03:35 PM   #6
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Quote:
Originally Posted by trungnguyen28 View Post
Yeah that's the next thing. I just curious why its on the pan.. I tightened the drain plug again.

Here's to hoping its just a faulty plug.
Any changes since tightening the plug? Just noticed this on mine as well
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      05-17-2023, 03:38 PM   #7
trungnguyen28
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It still drips very very slowly. I checked my oil levels everyday and it hasn’t moved.

I actually have an oil change coming up so hoping it’s just a faulty washer or something. We will see.
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      05-17-2023, 08:25 PM   #8
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Looks like it might be oil pan
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      05-19-2023, 06:14 AM   #9
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Got the crush washer in place? Could be damaged threads on the pan. If so, check out Time-Sert repair kits. Used this with great success on my N55 X5 due to a heavy handed dealer…
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      05-25-2023, 09:34 PM   #10
trungnguyen28
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Quote:
Originally Posted by E90convert View Post
Got the crush washer in place? Could be damaged threads on the pan. If so, check out Time-Sert repair kits. Used this with great success on my N55 X5 due to a heavy handed dealer…
Crush washer in place since it’s an early 2015 the drain plugs are replaced completely with new washer.

And you were right, I’m doing my oil change now and the threads on the pan are damaged.

Will definitely check out time-sert repair kit or just upgrade the pan to steel.
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      05-29-2023, 08:53 AM   #11
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Quote:
Originally Posted by trungnguyen28 View Post
Crush washer in place since it’s an early 2015 the drain plugs are replaced completely with new washer.

And you were right, I’m doing my oil change now and the threads on the pan are damaged.

Will definitely check out time-sert repair kit or just upgrade the pan to steel.
BMW factory thread repair is a time-sert kit btw. This is a 1hr job if you take your time. Did everything by hand, no drill needed. Versus a 10 hour job by replacing the whole pan.

Just makes sure to get all the threads and shavings out of the pan. I used a 90 degree pick and dumped about 1/2quart through and let it drain out. Ran the next oil change for about 4400 miles. Sent it in for a UOA, and there is no elevated aluminum compared to the averages. No shavings in the filter. Really impressed with the kit.
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      06-04-2023, 11:35 PM   #12
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Had this issue on my 2015 F80 at around 52k. It turned out to be oil filter gasket and oil coolant gasket.
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