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| 07-29-2025, 04:52 PM | #67 |
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Drives: BMW M3 e92 08 & 330d e90 10
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But why would they bother with a cosmetic item that no regular driver is going to see?
They're not going to spend money for nothing. Like Ajolives (and I said earlier), they're there to stop the springs from slowly creeping off (with very little force). We have had at least a few cases where the covers have broken up and the springs have crept out and ended up wearing into or through the cam covers.
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Oil analysis for finding wearing rod bearings?. Collation of oil analysis reports with some rod bearing photos for the M3's S65. My categorisation of pulled rod bearings in the rod bearing condition thread. My updated 'Blown engines' list. |
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| 07-29-2025, 05:14 PM | #68 |
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The covers broke because the spring broke them. They won’t stop spring movement. I’ll put money on it. They’re brittle with age and heat cycles. BMW does all sorts of stupidly engineered things like the oil filter housings.
Last edited by spammysammich; 07-29-2025 at 05:15 PM.. |
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| 08-03-2025, 05:45 PM | #69 | |
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Drives: BMW M3 e92 08 & 330d e90 10
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Quote:
 . How many have you seen reported failing when a car was less than 10 years old say? (which will be a while ago of course with these).And I totally agree about the stupid engineering point! Many (all?) manufactures do that at some point, some more than others!
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Oil analysis for finding wearing rod bearings?. Collation of oil analysis reports with some rod bearing photos for the M3's S65. My categorisation of pulled rod bearings in the rod bearing condition thread. My updated 'Blown engines' list. |
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