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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Any Clue as to What This Sound Is? I Have No Idea.



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      10-08-2018, 10:45 PM   #1
conceitedreality
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Any Clue as to What This Sound Is? I Have No Idea.

Here's a video of it:
https://photos.google.com/share/AF1Q...Y4eGNMQ3Z2NFFn

Any ideas on what it might be? I think I'm getting a misfire code, but I'm not sure. Spark plugs are new and I made sure they were in there right so I know it's not that. I think its coming from the belt area but I'm not sure. If I need to upload a better video, I will.
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      10-08-2018, 11:25 PM   #2
conceitedreality
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Alternator maybe? I am getting low battery signals all the time whenever I leave the keys in while the car is off for a few minutes.
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      10-09-2018, 02:16 PM   #3
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Quote:
Originally Posted by conceitedreality View Post
Here's a video of it:
https://photos.google.com/share/AF1Q...Y4eGNMQ3Z2NFFn

Any ideas on what it might be? I think I'm getting a misfire code, but I'm not sure. Spark plugs are new and I made sure they were in there right so I know it's not that. I think its coming from the belt area but I'm not sure. If I need to upload a better video, I will.
Tensioner? Standard BMW tick?

Last edited by bluewater328; 10-09-2018 at 02:39 PM.
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      10-25-2018, 02:17 AM   #4
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I had a similar noise, only louder. The power steering pump pulley bolts had become loose. Check to see if they are not loose.
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