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03-14-2024, 07:15 PM | #89 | |
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Now that the link is dead, yes please post the screenshot. |
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03-16-2024, 06:11 AM | #90 | |
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If data is put out there it SHOULD be scrutinised and questioned. Afterall, none of us are perfect and can make an error or misinterpret information. |
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03-16-2024, 06:14 AM | #91 | |
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03-16-2024, 09:29 PM | #92 | |
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I've attached the screenshot I've got of the rod bearings (and one for mains JFYI).
As I mentioned it's no clearer than the link you had Green eggs. The person I PM'd earlier thought it is axial play, I've no idea myself. Dumb of BMW to be so vague! Quote:
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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. Last edited by Assimilator1; 03-16-2024 at 09:34 PM.. |
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03-18-2024, 09:11 AM | #93 | |
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03-18-2024, 11:57 AM | #94 | |
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injectors are cheap to replace anyways.. and take less than 2 hours.. so i would chalk it up as a replacement item at 100K if not sooner. but most injector failures come with some type of debris being stuck.
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03-19-2024, 04:08 PM | #95 | |
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Debris in the injector? If so, how do you know this?
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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, 04:21 PM | #96 | |
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the first culprit would be dirty fuel from fuel pump, to then fuel filter not catching the dirty fuel and other jazz. i actually had a friend who had a fuel injector cause him issues, car basically wouldn't start and if it did it sounded like a rod was thrown. after inspection, one injector was stuck open, was it because it failed? or dirty? who knows.
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03-19-2024, 06:22 PM | #97 |
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Got ya, although the fuel filter will catch any significant debris before it gets to the injectors, unless it's torn or damaged somehow.
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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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03-20-2024, 08:52 AM | #98 | |
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03-20-2024, 11:14 PM | #99 |
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The first post has S65 data from TIS. Paul's post has tidbits of highly credible, yet unverifiable information about S65 clearance from the original bearing blueprint. Here's a third source for S85 clearance, also from TIS.
Here's what strikes me about this S85 spec: The S85 specs are presented in the same exact order as the "disputed" S65 specs. This tells me that the S65 specs were intended to convey bearing clearance, not something else. However, it also becomes more likely that the S65 version is inaccurate because we know that S65 and S85 share the same crank journal, rods, and bearings. I also notice that these are quite a bit different than what Paul claims are actual BMW specs (0.026mm - 0.062mm). More muddy waters to wade through. |
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03-21-2024, 06:15 AM | #100 | |
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The second is service information. It's normal for a "wear limit" to be given in this information, hence the higher max clearance. Far from muddying the waters, this gives clarity on clearances and supports the data I have provided i.e. nominal 0.046mm as per other BMW engines. |
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