2010 2011 BMW 5 Series Forum F10 - View Single Post - BMW F10 strange whistling noise while speeding up.

poverty.f10 · 04-05-2024, 08:17 AM

Any type of whistling might be coming from the PCV. You could do the flame test or you could also test to see how much vacuum it has and see if it holds.

04-05-2024, 08:17 AM	#10
poverty.f10 DIY Mechanic 78 Rep 131 Posts Drives: 2012 BMW 535i xDrive Join Date: Nov 2023 Location: Ellsworth AFB, SD iTrader: (0) Garage List 2012 BMW 535i xDrive [9.08]	Any type of whistling might be coming from the PCV. You could do the flame test or you could also test to see how much vacuum it has and see if it holds. __________________ You can live in a car but you can’t race a house.
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