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| 04-26-2022, 02:26 PM | #1 |
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125K mile rod bearings.
My car is having rod bearings and vanos done as we speak. If you were ever wondering what 125K mile rod bearings look like, here you go!
Glad I'm getting them done!    
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2007 BMW Z4 M Coupe: Interlagos Blue, carbon leather interior, premium package.
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| 04-26-2022, 06:29 PM | #2 |
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Service items doing the job they were designed for, no more, no less. And off course the crankshaft journals are in perfect condition?
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| 04-26-2022, 07:08 PM | #3 |
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Yep.
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| 04-27-2022, 01:46 AM | #4 |
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Obviously very worn (copper showing on #2), but for 125k miles I expected worse (in extreme cases you see this level of wear also at 60k miles).
Probably a good indication that this engine isn't abused very much and kept in realtively low revs by previous owners.
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| 04-27-2022, 07:32 AM | #5 | |
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Quote:
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| 04-30-2022, 10:55 AM | #6 |
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Is there any "break in" required for new rod bearings? Break in usually involves piston rings, I don't see why rod bearings would need break in considering the oil wedge, but just want to get the hive's thoughts.
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| 04-30-2022, 11:52 AM | #7 |
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No break in needed for rod bearings
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| 04-30-2022, 11:57 AM | #8 | |
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| 05-22-2022, 11:12 PM | #9 |
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No break in for RB, as long as it's clean and torqued right.
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| 05-23-2022, 11:38 AM | #11 | |
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