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      04-15-2021, 11:41 PM   #104
///M3Fresh
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Drives: E90 M3
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Quote:
Originally Posted by Green-Eggs View Post
Quote:
Originally Posted by ///M3Fresh View Post
From the shop:
I did it in this order. (Example: One rod/cap at a time, to make sure I didn't accidently swap caps) I didnt see this posted.
I visually inspected each bolt/bearing/cap (I find it hard to believe that the stripped bolt had 0 metal/thread on it that it wasnt till the re-use of that bolt, to varify spacing on the new bearings, that they noticed it was stripped. They are usually covered in oil. Something would be on the OE bolts)


Some of the things going thru my head if I was going thru the steps to swap bearings that I thought was missing from the shop. OP mentioned by the time they told him the bolt has no metal. Even after the 2nd time going back in??

As to your other comment, yes, they are. This is something so precise that a pre-existing issue of a stripped rod bolt was the cause?? Come on. I would lawyer as soon as I heard that. If the shop worked on your car and then took it for a test drive to validate the issue is resolved and spins out into a curb because your tires are bald, would you pay or split the bill on the damages with the shop?
The shop's theory is that the previous owner started to change the bearings, caused the problem, knew about the problem, then put the car back together and sold it before it went kaboom. There is a a piece of evidence that might help prove that -- or at least would hint in that direction: the motor mounts. If the motor mounts had been changed but the rod bearings were still original, that would be a very strong sign that the previous owner also had fiddled with the rod bearings at the same time. Those two jobs go hand-in-hand more often than not. Maybe the OP can comment whether or not the shop noticed the motor mounts were changed by the previous owner. I have a very strong feeling that they were.
Possibly. If intent was to replace the engine mounts I certainly wouldn't be thinking about bearings too. Maybe the other way around it would make more sense. I don't recall if OP stated if the shop noticed any signs of the oil pan and everything internally showed signs of tampering or being touched.
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