BMW M3 and BMW M4 Forum - View Single Post - S55 PCV 'SQUEAL' - Easy Fix (so you don't have to replace the entire valve cover)

slaughter.mode · 11-12-2021, 04:48 PM

Interesting, so your issue is that vacuum was creating a howl? Mine was the opposite, the lack of being able to vent properly caused the howl. It was LOUD.

11-12-2021, 04:48 PM	#56
slaughter.mode Major 884 Rep 1,044 Posts Drives: 2018 M4 Competition Join Date: Mar 2018 Location: Chino Hills, California iTrader: (0) Garage List 2018 BMW M4 ZCP [9.80]	Interesting, so your issue is that vacuum was creating a howl? Mine was the opposite, the lack of being able to vent properly caused the howl. It was LOUD. __________________ Instagram: Slaughter.Mode
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