Thread: PCV valve failure cause
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      04-02-2024, 09:17 PM   #19
hC1001
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Drives: E36 M3, F80 M3
Join Date: Nov 2019
Location: Brooklyn, NY

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I read somewhere PCV failures are caused by excessive heat. i dont buy it though... Maybe something in the gas or oil causing it to weaken??? I have 118K miles on mine.
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