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Old 05-27-2019, 05:13 AM   #1
sefeing
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My Ride: 2002 BMW 325i Sedan
Year: 2002
Model: 325i
Transmission: Automatic
Replaced ATF Fluid, but ONE TRANS PAN BOLT Snapped- OK to run

Like the title states, I replaced the trans fluid in my '02 325i (GM Trans). When I was putting the pan back on, one of the bolts that was in the kit either was overtorqued (didn't feel like it) or defective (they were slightly different) and the head snapped off, leaving just the body in the car. I tried drilling it out, but didn't want to make the issue worse.

So, right now the car is put back together, just without ONE of the trans pan bolts. After a bit of driving yesterday, I didn't spot any leaks, but am obviously worried. Do you think it'll hold? Or do I need to drill that piece out & replace it? Or have a shop do it?

Photos: https://i.imgur.com/UBOf1I7.jpg
https://imgur.com/jJd4spZ
https://imgur.com/IFrn3D5

Last edited by sefeing; 05-27-2019 at 05:17 AM.
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Old 05-27-2019, 07:00 AM   #2
markusmarkus
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The broken bolt is in a straight area of the pan so Id leave it but keep an eye on it. You could buy a piece of metal that fits in the area of the bolts. The piece needs to span 3 bolts: 1 bolt on either side of the broken bolt. Drill holes for these 2 bolts and then install it so that the metal spans the broken bolt.
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Old 05-27-2019, 07:01 AM   #3
markusmarkus
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The broken bolt is in a straight area of the pan so Id leave it but keep an eye on it. You could buy a piece of metal that fits in the area of the bolts. The piece needs to span 3 bolts: 1 bolt on either side of the broken bolt. Drill holes for these 2 bolts and then install it so that the metal spans the broken bolt.


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Old 05-27-2019, 10:01 AM   #4
sefeing
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Edit: got it out and replaced the screw!
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Old 05-27-2019, 04:06 PM   #5
LeverThis
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Quote:
Originally Posted by sefeing View Post
Edit: got it out and replaced the screw!
Nice! How did you get it out? Access for a drill is pretty easy in that area.
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Old 05-28-2019, 07:55 AM   #6
sefeing
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Originally Posted by LeverThis View Post
Nice! How did you get it out? Access for a drill is pretty easy in that area.
Ended up using a screw extractor kit - took a little bit of work, but finessed it out and replaced the bolt !
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Old 05-28-2019, 09:24 AM   #7
Mr Podman
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Quote:
Originally Posted by sefeing View Post
Edit: got it out and replaced the screw!
Bravo. That's the right way to do it.

Torque spec on those bolts is 8 ft. lbs.




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Old 05-28-2019, 09:55 AM   #8
Silverdogz
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Bravo. That's the right way to do it.

Torque spec on those bolts is 8 ft. lbs.




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Old 05-28-2019, 06:19 PM   #9
LeverThis
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Originally Posted by sefeing View Post
Ended up using a screw extractor kit - took a little bit of work, but finessed it out and replaced the bolt !
Sounds well worth the effort to do it right. One less thing to worry about in the long run.
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