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      06-24-2019, 12:40 AM   #1
powerocool
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Join Date: Aug 2013
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530e - Random strange noise?



Anyone can help me diagnose this strange noise that happens randomly? I cannot reproduce by braking, accelerating, or cornering.

Seems to happen more often while the car is cold. Sounds like some kind of air pressure or valve.

Have you ever experienced this?
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