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03-17-2024, 12:28 PM | #2751 | |
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03-18-2024, 06:38 AM | #2752 | |
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03-19-2024, 04:21 PM | #2753 | |
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Drives: BMW M3 e92 08 & 330d e90 10
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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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03-19-2024, 06:04 PM | #2754 |
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I can't answer that question. I can see how they have arrived at the figure from the measurements, but cannot match that to the wall thickness data and the calculated figures. Maybe I'm going number blind
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03-19-2024, 06:16 PM | #2755 |
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Lol, no idea, but I'm assuming they're cherry picking the thinner shells to get bigger clearances in v2. (assuming like you say, that the supplied shell thicknesses are nominally the same as v1).
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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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03-25-2024, 10:51 AM | #2756 | |
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At the other side, if you reduce RB clearance, at the mains, pressure would increase and flow would decrease, potentially causing loss of cooling. |
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04-11-2024, 05:03 AM | #2757 |
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https://www.bimmerpost.com/forums/sh...php?p=30916918
Hi this is mu thread and we have some news about this case….When bring the car to the shop car didnt make any strange sound or knock.We waited to up the temp and nothing and nothing.Mecanic chek the oil filter and oil and didnt see metal. Next day they down the oil pan and was clean no any metal in oil pan.We found in my car M Clevite bearings with apr bolts and maybe they are BE Bearings i m sure 100%. On bearing shell is al clean no signs of the wear… Now intersting part , mechanic told me that have some shadow on the crankshaft but nothing wrong and no have any signs of cracks….He start to measured clearence and call me and say that have some wear when make dimension with plasticgage. He recomended to buy oem bearings and bolts and make measurement and see if really have wear . I dont know what need to do…. This are picturs from shop.Someone know how much need to be clearence wit Be Bearing and ARP bolt tighten to 45ft? This picturs are from cylinder 1 and 5 Thanks |
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04-11-2024, 02:46 PM | #2758 |
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Assuming the plastigauge measurement has been done accurately (as much as it can), then that's about right for BE bearings, remember they are increased clearance bearings (which you can see for yourself if you check out their website).
Btw, really you should start your own thread for your case, this thread is for dead engines, it seems yours isn't . ********************************************** Btw folks, for reporting any future failed S65s, please post to my new thread which takes over from this one and my list here. See this thread - https://www.m3post.com/forums/showthread.php?t=2093339
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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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