DIY Fix: BMW Z4 Whistle Noise Around 2 RPM (Z4, Z3, X5)

DIY Fix: BMW Z4 Whistle Noise Around 2 RPM (Z4, Z3, X5)

This video gives you $3.00 short term solution that will stop the whistling sound NOW while you order a new air intake tube. 🙂 The whistling sounds when acc…

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