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      10-16-2015, 07:45 AM   #23
BrewRifle
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They mentioned a group buy in the original thread so keep an eye out.
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      10-16-2015, 07:46 AM   #24
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Quote:
Originally Posted by Rich150001 View Post
Interesting...they claim the 2011+ M3s have more failures than the 2008-2010s. I have not yet heard someone make that claim.

"Newer factory bearings (2010.5 and later) are made from tin-aluminum, not lead-copper. Tin-aluminum bearings are 5-times harder on the surface than lead-copper bearings. This extra hardness shows signs of doing more damage to motors as there seems to be more bearing failures with 2010.5 and later vehicles."

Regardless, might pick up a set of these. Glad they're finally out.

Yep, that's simply a supposition with no actual data to support the claim. In terms of numbers of failures, the earlier cars vastly outnumber the 2011+ from what's been seen here on the forums.
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      10-16-2015, 08:04 AM   #25
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Quote:
Originally Posted by CSBM5 View Post
Yep, that's simply a supposition with no actual data to support the claim. In terms of numbers of failures, the earlier cars vastly outnumber the 2011+ from what's been seen here on the forums.
Yea, I would be interested in seeing what data points (if any) were used to make this assertion.
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      10-16-2015, 08:08 AM   #26
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Quote:
Originally Posted by duvinclunk View Post
How can we be assured these will work any better? Because their site said so?
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Originally Posted by m3SennA View Post
x2???
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Originally Posted by WickedE93 View Post
X3?!?
Do some research and try to understand the technical problem, if you are waiting for evidence you'll have to wait several months to years for cars to rack up miles and for someone to do a tear down on one.

Until then, the recommendation from those with engine building experience is that these have a better chance of solving the problem than any others on the market.

Keep in mind to fully solve the problem, you need to do a complete rebuild to bring all clearances into recommended specs as these won't address any potential main bearing clearance issues.
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      10-16-2015, 08:11 AM   #27
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Quote:
Originally Posted by Rich150001 View Post
Interesting...they claim the 2011+ M3s have more failures than the 2008-2010s. I have not yet heard someone make that claim.
Interesting, the only numbers Ive seen by year are these:
http://www.m3post.com/forums/showthread.php?t=935368

I dont know how upto date they are thou.
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      10-16-2015, 08:37 AM   #28
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Quote:
Originally Posted by tdott View Post
Interesting, the only numbers Ive seen by year are these:
http://www.m3post.com/forums/showthread.php?t=935368

I dont know how upto date they are thou.
Interesting...

The OPs post from your link actually says "Last update March 2015", but even if we use those data points as a snapshot in time with limited data, it supports the site's claim that 2011+ aluminum bearings does seem to have had more engine failures (at significantly lower averaged miles too), than the 2008-2010s, but only by a small margin in total failures.
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Last edited by Rich150001; 10-16-2015 at 08:55 AM..
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      10-16-2015, 10:15 AM   #29
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Quote:
Originally Posted by Rich150001 View Post
Interesting...

The OPs post from your link actually says "Last update March 2015", but even if we use those data points as a snapshot in time with limited data, it supports the site's claim that 2011+ aluminum bearings does seem to have had more engine failures (at significantly lower averaged miles too), than the 2008-2010s, but only by a small margin in total failures.
Note some of those failures were likely somewhat documented side-clearance issues and/or early life issues perhaps related to assembly, etc. It's way to early to tell what the actual failure rates are in the field. There's also the obvious bias that late model year "reported" failures will by default occur at lower mileage. In any event, there are many biases in the data, so making a declarative statement of fact is misleading at best.
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      10-16-2015, 10:39 AM   #30
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There has been plenty of discussion, plenty of bantering, plenty of proof, plenty of naysayers. What it boils down to is this: either you want them or you don't. Either you're going to trust a bunch of guys that have a vested interest in seeing this engine survive (as they personally own S65s themselves), who worked with the OEM bearing manufacturer to help the community address an issue that BMW would rather act like didn't exist, OR you can buy OEM bearings when/if you are ever to the point where you're concerned about them.

It's that simple, really.

Last edited by whats77inaname; 10-16-2015 at 01:48 PM..
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      10-16-2015, 03:43 PM   #31
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Looks like the website is a work in progress. I can wait. But it would be nice to see some test results or test progress on cars with min stack and max stack.

I have no idea of the clearances in my engine, but i want to be sure this is still a one-size-fits-all solution that'll work for me. In the mean time i gotta find somebody around these parts to actually do the swap for me.

Thanks.
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      10-16-2015, 03:53 PM   #32
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I'd also like to know if we can continue to run Mobil 1 0W40 or a mixture with some 15W50?
Or is the 10W60 really the recommended oil after a bearing swap?

.
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      10-16-2015, 04:21 PM   #33
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Quote:
Originally Posted by tdott View Post
Keep in mind to fully solve the problem, you need to do a complete rebuild to bring all clearances into recommended specs as these won't address any potential main bearing clearance issues.
Is this true?
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      10-16-2015, 04:33 PM   #34
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Quote:
Originally Posted by duvinclunk View Post
Is this true?
Yes, but hopefully BE Bearing will develop the main bearings too.
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      10-17-2015, 02:20 AM   #35
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BMRLVR posted a group buy would be starting soon in the other thread.

I'm sure S85 and Killerfish will have NO INTEREST in these.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      10-17-2015, 08:18 AM   #36
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Quote:
Originally Posted by aus View Post
I'd also like to know if we can continue to run Mobil 1 0W40 or a mixture with some 15W50?
Or is the 10W60 really the recommended oil after a bearing swap?

.
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      10-17-2015, 08:50 AM   #37
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Early cars are older and have been driven more, as a general proposition. Makes sense more of them would need work.

The number of main bearing failures reported is about 2. I am not worried about the main bearings. However if you want to spend several times as much money taking your engine apart to change main bearings, go ahead.

Even with rod bearings, the failure rate is pretty low. Seems like you have a 99% chance of having no problems. I changed mine preventatively but whether to do anything when nothing seems wrong is up to each owner.
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      10-19-2015, 01:33 PM   #38
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Quote:
Originally Posted by aus View Post
I'd also like to know if we can continue to run Mobil 1 0W40 or a mixture with some 15W50?
Or is the 10W60 really the recommended oil after a bearing swap?

.
The page says that these particular bearings are designed to be used w/BMW recommended 10W60.
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