Weird high pitch noise when on sport+

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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Weird high pitch noise when on sport+

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04-13-2024, 01:20 PM	#1
Hmzz428 Registered 0 Rep 1 Posts Drives: BMW 428i xdrive coupe 2015 Join Date: Apr 2024 Location: Montreal iTrader: (0)	Weird high pitch noise when on sport+ Featured on BIMMERPOST.com Hi, my 428i 2015 does a weird high pitch noise when accelerating after a stop. The sound is louder when on sport or sport+ mode. I tried recording it you can hear it in the video that I will attach. Any help finding the culprit is appreciated. The video: high pitch sounds It also happen when accelerating after letting foot off the gaz when the car is moving.
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