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BMW 3-Series (E90 E92) Forum
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valvetrain noise when hot. knocking, slapping
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10-13-2017, 04:31 PM | #1 |
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valvetrain noise when hot. knocking, slapping
As my oil gets hot I have noticeably louder valvetrain noise. It I'm running 0w40 synthetic and it's about 65 degrees if that matters. Its very much noticeable with the hood down outside the car and I don't remember it being as audible as it is now. I've tried disconnecting spark plugs as a way of determine bottom end noise but I couldn't draw any conclusions doing this. I bought a car stethoscope but I also can't really come to any conclusions. Even when i rev it up its hard to determine if the thumping follows the revs.
Anyway, I made a vid. I'm clueless, no codes. I appreciate any input. Also does anyone know which menu in inpa shows oil pressure? |
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