Just wrapped up the install and wanted to point out the importance of replacing these things asap - my car is an pre-lci with 66k miles, the oem covers dont seem to hold well at all over time.
attached, a photo of the “pcv” valve oring to the oem valve cover - as you can see this was most definitely not sealing properly as the epoxy paint used by bmw is trash.
attached, a photo of the “pcv” valve oring to the oem valve cover - as you can see this was most definitely not sealing properly as the epoxy paint used by bmw is trash.
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