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01-26-2018, 11:42 AM | #881 |
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Bought my 2010 M3 used with an extended warranty which is about to expire. So wasn't too worried about Rod Bearings until now. Just had first oil test done which doesn't look good. I do track the car regularly.
What do you guys think? Try and extend the warranty? Replace the rod bearings? Trade-it in for something else? Or just roll the dice and keep driving :-) |
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01-26-2018, 02:36 PM | #882 |
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Do something and do it sooner rather than later. I’d just replace the rod bearings but if you want a different car, sell the car and put the proceeds plus the rod bearing cost towards the new car.
Extending the warranty would also work but if your motor blows up you could be without the car for months while it gets inspected and the company haggles with you and eventually the repair or used engine gets done. |
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01-29-2018, 01:39 PM | #883 | |
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02-27-2018, 12:17 PM | #886 |
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Good report this time around...and I like the 7-8K mile interval...as is recommended anyways.
The engine runs as smoothly and strong (if not better) since purchase. GM |
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03-15-2018, 06:01 PM | #888 | |
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Hey Everyone, I did my Oil Analysis to check for bearing wear. Everything appears to look okay. I am at 95K. This is a summer vehicle. The fuel amount was below average but I think that could have been caused by my thermostat being bad. Not sure, but I was having some bad gas mileage and the car took quite some time to warm up. I changed that and it runs awesome now. I am also on DME 2.41. I ran Castrol 10w60 TWS at first and run BMW Twin Power 10w60 now. I usually try to change the oil before 7500 miles. Good luck to everyone with this issue. I just wanted to add to the repository here. Premo
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03-17-2018, 01:49 PM | #893 |
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Iron is definitely high. The highest I've ever registered was 7ppm on 7,000 miles of Castrol Edge 10w-60.
The bigger surprise to me is the 0 for lead (rod bearings). That's pretty much unheard-of, and spectacular news. For reference, my most recent report, which just happens to be my best to date: My Molybdenum is super high as a result of running Cera Tec, which I started using ~25,000 miles ago.
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Last edited by kawstik; 03-17-2018 at 01:56 PM.. |
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03-17-2018, 03:28 PM | #894 |
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Here's an example - had high iron when I bought my car. Had no clue when previous owner did oil change. After some oil changes, it went away
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03-17-2018, 03:59 PM | #895 |
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The iron is abnormally high, yes. I would suggest pulling a sample after a few thousand miles and sending it in for analysis -- could be something like particle streaking which causes false positives.
As others have said, it's one report in isolation and is of limited use.
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03-17-2018, 05:02 PM | #897 | |
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03-17-2018, 05:48 PM | #898 |
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03-17-2018, 06:10 PM | #900 |
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03-18-2018, 09:32 AM | #902 | |
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I change every other track day. Interval is way too long. I'd personally go 4,000km max.
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