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Oil leaking out of the cap?

2670 Views 3 Replies 4 Participants Last post by  JoeMini
Any idea what would cause this?
Yes I've cleaned it, yes it's come back.

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Hello, I wanna replace the pcv on my 2005 2l M3.
I can't find any pcv valve in the UK with good price. I don't really know if they are the same on other models. Could you please advise what tipe? Are there more types? ( Not shape, but the inside of it). Is this one ok for my Mazda ? PCV Valve, MX5 Mk3 3.5 3.75

Pls help. Struggling for days now😭
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