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      09-21-2020, 05:46 PM   #1
Chris311281
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Drives: BMW F31 330d 2013
Join Date: Sep 2020
Location: EU

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N57 2013 330d Engine mechanical whine

Hey,

New here and an amateur first post. In short, I have a 2013 F31 330d BMW with 192k km driven. Last month I had a 5k km roadtrip. On the way back, at a stop I noticed a very slight whine / mechanical sound which I'm sure I hadn't noticed before.

Here's the link:


The car had a service prior to departure with no issues. Oil was perfect etc. No errors prior nor after the trip.
My mechanic said he didn't notice any sound. It is slightly intermittent and you might miss it if you don't know what to listen.

I've been told it might just be the phantom sounds of a diesel engine. But I've understood it can also be the high pressure fuel pump?
Everything seems to be running perfectly. Smooth idle, Instant starts, no noticable power loss.

Am I paranoid or is there something I should ask my mechanic to check further?

Last edited by Chris311281; 09-21-2020 at 05:49 PM.. Reason: Added details