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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 10-08-2012, 07:01 PM   #1
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Stripped oil filter cap removal

OK i have seen a few threads on this but none with a soulution for me. I was changing my oil last week and i stripped the 36mm plastic bolt on the oil filter cover. It was already starting to strip and the last person who changed didnt even reset the computer so i'm guessing they over torqued it and/or put the gasket on wrong. Now before everyone starts yes i was turning it the right way, yes i was using a 6 point 36mm socket and even tried a pipe as leverege. Now the bolt is too stripped to remove with any 36mm socket, breaker bar etc My question is how to remove this? socket for outer diameter? I'm buying a new cap so ruining the old one doesnt matter i just dont want to get all sorts of little scraps of plastic in my oil. thanks in advance e46fanatics
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Old 10-08-2012, 10:02 PM   #2
John in VA
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Are you able to get leverage on it with a big pair of Channel Locks, or maybe Vice Grips and a deadblow hammer?
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Old 10-09-2012, 11:04 AM   #3
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I read on the forums a while back that someone had this exact same problem. So he drilled a hole in the cap and stuck a thick screw driver in there and used a pipe for leverage to unscrew it.

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Old 10-09-2012, 11:12 AM   #4
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Vice grips, get a little angry, cuss a little bit, and you should get it loose. Buy a new filter cap afterwards too obviously.
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Last edited by jhaurimn; 10-09-2012 at 11:14 AM.
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Old 10-09-2012, 11:18 AM   #5
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Go to homedepot or sears or lowes and buy a strap wrench. It is a simple device made from something similar to an engine belt that can fit large diameter and odd shaped things.

If that doesn't fit then you can resort to drilling the hole. Order a new cap first.
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Old 10-09-2012, 11:28 AM   #6
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Vice grips would probably be my first go to tool for removing the stripped cap. A strap wrench if you have one handy would probably do the trick as well and be a little less destructive.


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