Why Can BMW Rod Bearings Fail?!

In this video investigate why my rod bearing spun on my BMW engine. I am working on my N54 out of my E90 335i. I spun a bearing after replacing my rod bearings for maintenance.

I double check the clearance with my King bearings and reinstall my original OEM bearings to compare the measurements to see if that provides any answers.

I also open up my oil pump to see the condition inside to ensure it was still doing it's job.

I really wanted to give you guys a definitive answer as to why the bearing spun.

If you guys have any input please do let me know in the comments.

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