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BMW 3-Series (E90 E92) Forum
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N47 turbo whine?
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07-04-2022, 11:12 AM | #1 |
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N47 turbo whine?
Hi all,
I recently endeavoured to purchase a 2011 BMW 316D saloon with about 174000 miles on the clock (N47D20 engine) It needed a few bits doing to it, I took the engine out and replaced the timing chain, cleaned everything up and also performed a full service on the car (brake fluid, filters, oil change etc) and now it's running fine. However, there seems to be a bit of a whine that sounds to me like the turbo. I have a video below where you can hear the sound and you can hear it as the engine reaches about 1700rpm. Does anyone know if this sound is normal? There is no noticeable power loss and there are no lights on the dashboard. https://youtu.be/qDs195PbVHQ Tl;dr - I have an issue on my 316d where the turbo seems to be whining. Anyone know if this sound is normal? |
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