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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Wed, May-25-2016, 04:43:57 PM   #31
natethegreat
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Default Re: oil drain plug spins free

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Originally Posted by Sandeep1212 View Post
Until one day it all comes out.

Just got to an indy and have them tap a new hole. Will not be more than a hundred bucks.
And hoping that never happens, but I'd rather fix it the right way then having to get a different size drain plug everytime.
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Old Sun, Jul-17-2016, 02:10:16 AM   #32
Sh0ty
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Default Re: oil drain plug spins free

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Originally Posted by DanAvoN7 View Post
That is not correct. The threads are cut in to the pan itself. It is easy to strip the threads if the drain plug bolt is over-torqued.
Took a photo of the inside of my pan for others - the threads are indeed cut straight into the pan.

Thanks
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Old Sun, Jul-17-2016, 05:34:00 AM   #33
Jazzkat
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Default Re: oil drain plug spins free

Are all of the stripped oil pan threads experienced related to aftermarket magnetic plugs?

My understanding and experience is that the OEM plug is softer than the pan, so if you over torque you will take out the plug threads but not the pan threads.
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Old Fri, Jul-22-2016, 02:25:56 AM   #34
m3 larry
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Default Re: oil drain plug spins free

Well I had the problem with striped threads. Was not over torqued. Used Timesert with no problem for a couple of oil changes. Last time the Timesert came out with the plug. So chased the threads with tap and installed new Timesert. Torqued drain plug. Timesert leaked between insert and aluminum pan. So will drain oil and install insert with Locktite 660. I hope that will take care of problem.
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Old Sun, Jul-31-2016, 08:06:25 PM   #35
Sh0ty
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Default Re: oil drain plug spins free

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Originally Posted by Jazzkat View Post
Are all of the stripped oil pan threads experienced related to aftermarket magnetic plugs?
My drain plug was original and made of steel; the aluminum pan's threads are most certainly softer.
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Discussing oil drain plug spins free in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)