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      09-18-2020, 11:14 AM   #1
bgp001
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Drives: E90
Join Date: Jul 2018
Location: wherever

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Knocking engine noise: mains?

Well, this seems to be a part 2 of my story.

Changed the rod bearings about 12K miles (2 years) ago.
See this thread for details: https://www.m3post.com/forums/showthread.php?t=1513503

And this week after coming home I noticed some weird knocking noise.
I went for a drive around the block to record the sound with the phone on the cowl.

UPDATE 9/21:
No debris or metal in the oil filter, no glitter in the oil from the oil filter housing
No OBD codes
Couldn't find any source of rattles in the engine bay, yet to check the car from underneath

Car is currently parked, didn't start it since last week
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What do you guys think?


Last edited by bgp001; 10-07-2020 at 01:45 PM.. Reason: typo