I was finally able to catch my car (2006 330ci 6mt with 194k miles) making this weird high pitch sound. I tried to take it into my independant shop, but the car never made the sound. Here is video of it. Thoughts?
https://www.youtube.com/watch?v=yVS6th5rb14
2006 330ci - 6MT with 194k miles
RIP - 1998 323is - 5MT
Best I can tell/hear is that the vacuum hose is disconnected from the engine nipple...idk?
See:https://www.bimmerfest.com/forums/sh...php?p=12912325
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Last edited by X3456; 04-21-2019 at 10:19 PM.
Take the drive belts off, that will tell you if something belt driven is causing the noise. Don't run it like that for long though, the water pump would not be pumping.
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