05-29-2019, 01:39 PM | #1 |
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F20 B48 engine strange humming intermitent sound when idle
Hello, I have a 120i (f20) which is making a strange sound when idle, I took it to the official service but they don't know what it might be. Any ideas? Thanks
Here is the video: https://streamable.com/7z4ms |
05-30-2019, 02:14 PM | #2 |
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Someone also mentioned it here: https://f30.bimmerpost.com/forums/sh....php?t=1566730 but there is no concrete answer
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Appreciate
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