Quote:
Originally Posted by 123Britt
NO Proof - just observation:
When I had switched to Redline 5W-30. (not the EURO) -- I thought the engine ran so quiet.
My guess that any FE oil would make the TAPPING louder esp at the end of the OCI.
I run the PP EURO 5W-40 in Summer and the LL-01FE 0W-30 in Winter
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The happened out of the blue with 9000 left before the oil needed changing was from a bmw service so take it it had long life. After this happened I changed the oil to Castro’s edge 0w30 and nothing changed. Think it’s worth doing a engine flush and going for like a 5w40?