Thread: Whistle after acceleration
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      09-03-2019, 07:06 PM   #1
jbatt89
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Drives: 2015 535i xdrive
Join Date: Nov 2018
Location: PA

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Whistle after acceleration
I notice a slight whistle coming from the engineer of my car when accelerating. I never thought much of it, but tonight it was loud. Should I be concerned? The car is a 2015 535i xdrive with 40,000 miles on it.
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