OEM rod bearings vs Aftermarket Clevite rod bearings - Page 2 - BMW M5 Forum and M6 Forums
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post #11 of 12 Old 29th March 2018, 11:12 PM
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I don't see how folks can be so definitive. How many BE/ARP bearing sets have done the mileage? I've only read about one with with something like 10,000 miles. I did mine at 86,000 miles and put OEM back in with OEM rod bolts.

What will the mileage interval for those with the BE/ARP's?

I'm running almost exclusively 0-W40 M1 and I've got just shy of 20,000 on them. I plan on a 60K change interval...now that I've got the engine holder and torque wrench...not very expensive for the change (if you do it yourself)
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post #12 of 12 Old 30th March 2018, 12:59 AM
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I would recommend BE bearings, especially if you in colder climates or plan to continue using 10w60.

I myself live in colder climates and I will be using 5w50 from now on. I think 0w50 would be too thin and could cause vanos issues in extreme cases (no actual proof, just an educated guess here.)

At one point bmw north america actually released a new list of approved oils for the s85 and s65 which included 5w30. This only lasted for a few months, I read somewhere that bmw germany slapped bmw NA and they quickly removed that from the list. And the reasoning is that is almost like admitting they recommended the wrong oil from the get go and could ask for trouble (law suits and such). Not sure how much of this is true, but I did run 5w30 myself for a while and I did experience better cold starts, and I did like the way the engine ran also. I also didn't have to top up oil at all.

But I then went back to 10w60 while trying to solve my vanos issues. Then my rod bearing job came up, and I found a spun bearing.
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