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      10-19-2025, 10:39 AM   #27
DrFerry
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Drives: 2008 E92 M3
Join Date: Jul 2010
Location: Greenville, SC

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Quote:
Originally Posted by former 240 s14 View Post
I was not the owner when the main bearing went so I can't speak to the conversations that happened at that time. After the main bearing went a new donor motor was purchased with 60k miles on it and was went through with the build list that is communicated on my first post.

Hoping THIS motor (which is the rebuilt motor) has only a spun rod bearing. It shut off immediately on its on but started back up for 5 seconds when I turned it off again.

Rubin
I'm hoping your situation is just a spun bearing due to oil starvation, crud in the crank galleries, or a combination of both. There are bona-fide dry sump kits out there for the S65, but your Accusump idea maybe the most cost efficient for peace of mind for future track events. Please let us know the root cause when you know. PS: The S65 OEM sump baffles, dual oil pickup and dual 'wing' design has successfully allowed many forum members to participate in HPDE and Pro-Solo track events, so something is definitely up with the failure circumstances you unfortunately experienced. Good luck with the Sherlock Holmes part of the failure analysis and investigation.
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https://www.m3post.com/forums/showthread.php?t=392485
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https://www.cantonracingproducts.com/accusump
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