Strange Whistle on Cold Start

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Strange Whistle on Cold Start

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12-04-2023, 02:54 PM

Serb404

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Join Date: Sep 2015

Location: Indiana

Posts: 427

Strange Whistle on Cold Start

Every cold start I get a minor small whistle first few minutes of driving in between 1.5 - 2.0 rpms, it's nothing crazy and goes away after a bit.

I replaced my boot already so it's not that, just curious has anyone had any similar issues only on a cold start, sounds like a supercharger

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2004 E53 3.0i • 193K Miles

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