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340xi Short Squeaking Noise
Hi guys, so I have been a longtime lurker on the forums but now I do have a question regarding this noise I am hearing. It happens a second after I press on the throttle pedal and roughly a second or two after I depress the throttle. It doesn't seem to happen or perhaps it is not audible unless I put the car in Sport mode. It is a very short squeak/whistle, maybe half a second in length. Seems to be coming from underneath the car and really it is only audible with the radio turned off. I do hear it even with all windows closed. Anybody want to take a stab at what this might be? It is a 2016 340xi with 23,000 miles, no MPE and completely stock.
I appreciate any help/comments.
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