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08-26-2014, 05:20 PM | #23 | |
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It's not the end of the world we all drive the same car. It's just 2000$ we paid 40-60k for the car who cares. Yeah I have one report and yes I was going to change them which in all reality cannot HURT anything... Also I already sad it was a typo and I meant 0w40 which is what everyone Seems to be going to and what eas advised. I high end race oil is a high end race oil m1 or motul doesn't matter. Special break in oil???? Weird no one EVER said this at either eas or Texas track works who is a primary bmw race oriented shop. I simply wanted to get opinions and I appreciate everyone's very much but don't just come rolling in acting like every thing you say is fact. No one knows everything that's the main reason we all are here on the forum. To learn. |
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08-26-2014, 07:38 PM | #24 | |
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The oil brand DOES matter. All 0w40s are not equal. YES break in oil. It is used more for smooth cam break in but also has benefits for rod bearings. Break in oil is a single weight oil that does not change viscosity with heat, it also contains zinc which allows new metal parts to crunch on the zinc rather than the metal parts themseleves. |
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08-26-2014, 09:47 PM | #25 |
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Thank you for clarifying I appreciate your opinion and I simple must have read it with the wrong tone/way and will ask about break in oil. Although we will just have to disagree on oil. I agree there are differences but at the upper end and in that range it is marginal at best. Although I look at this from a scientific standpoint. I am a biochemist/geochemist that deals directly with clays and oils in relation to shear and break down via bond interactions. So performance wise there may be something I am missing, but on paper and chemically they are generally identical but so are humans and we all act different so take my opinion with that in mind.
Thanks again for everyone's input. We went ahead and put motul 0w40 in and I am gonna run another 5k miles and re analyze to see where we are at. Hopefully it can be held off till the new year and I will do bearings at same time as SC |
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08-26-2014, 10:53 PM | #26 |
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08-27-2014, 11:26 PM | #27 |
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What's funny is there's no proof changing them does anything. Has anyone pulled replacment bearings. Bearings should never be considered maintenance on a car. If you have peace of mind then good, but 2k is still 2k. Not cheap.
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09-01-2014, 10:53 AM | #28 | |
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you don't run to the hospital if you're piss is too yellow. |
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09-01-2014, 07:41 PM | #29 | |
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09-02-2014, 05:54 AM | #30 | |
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My research suggests there is no break in for bearings and thus no need for break in oil. I am not using any after changing my rod bearings and I have not read of anyone else doing so, either. Also, there are multiweight break in oils if you do choose to use one. Even for a real engine break in, it is not necessary, however. The last engine I broke in was on Walmart 10W30 with a bottle of Redline break in additive containing ZDDP. |
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09-02-2014, 04:14 PM | #31 |
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So what? I/We should add to the hysteria about an issue that may not be? There's plenty of cars running fine, and there's no real fix here. New bearings will do the same thing if clearances remain the same.
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09-02-2014, 04:55 PM | #32 | |
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2005 M3 Coupe, 2004 M3 Wagon, 2001 M5 Sedan, 2008 M5 6MT Sedan, 2012 128i M sport |
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09-02-2014, 06:05 PM | #33 | |
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eh... fresh motor, start, run @ 2k for a bit to seat rings, change oil, then run hard.. Cams break in, bearings and rings are gonna seat immediately running. |
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