328 N52 idle engine noise

jonasftw · 10-21-2023, 12:03 PM

Hello everyone,

I've searched through several topics but couldn't find a solution to my issue. A new sound has recently appeared, and I'm unsure how to diagnose it. This noise persists whether the engine is cold or warm. I have attached a Vimeo video below for reference. It continues even after driving for longer distances.

I should note that it's probably not HVA related, as the sound won't go away. Additionally, the oil level is currently within the medium range, although I haven't tried adding more.
https://vimeo. com/876697239
Thank you.

2007 E90 N52 328i
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e91Owner · 10-21-2023, 12:37 PM

Videos of noises are always difficult to diagnose. To me, that sounds like valve ticking, which could be helped with liqui-moly oil saver.

10-21-2023, 12:03 PM	#1
jonasftw Registered 0 Rep 4 Posts Drives: E90 328i Join Date: Aug 2023 Location: Europe iTrader: (0)	328 N52 idle engine noise Hello everyone, I've searched through several topics but couldn't find a solution to my issue. A new sound has recently appeared, and I'm unsure how to diagnose it. This noise persists whether the engine is cold or warm. I have attached a Vimeo video below for reference. It continues even after driving for longer distances. I should note that it's probably not HVA related, as the sound won't go away. Additionally, the oil level is currently within the medium range, although I haven't tried adding more. https://vimeo. com/876697239 Thank you. 2007 E90 N52 328i " width="800" height="450" frameborder="0">
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10-21-2023, 12:37 PM	#2
e91Owner e91Owner 433 Rep 1,140 Posts Drives: 2011 e91 Join Date: Mar 2018 Location: Out of the Office iTrader: (0)	Videos of noises are always difficult to diagnose. To me, that sounds like valve ticking, which could be helped with liqui-moly oil saver.
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