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      07-15-2018, 11:59 AM   #103
E90Burgos
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Drives: 2008 E92 M3 Jerez Black
Join Date: Oct 2015
Location: New York City

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Quote:
Originally Posted by RosieTheRedM3 View Post
Quote:
Originally Posted by MJBO View Post
Quote:
Originally Posted by RosieTheRedM3 View Post
I'm only at 64k miles so I'm okay for a while
Clearly haven't read any of the threads about the issue.

Your car could be fine for the next 100,000 miles or blow up tomorrow. Bearings have gone wel before your mileage for others. To each their own, the cost of replacement seems like cheap insurance to me compared to the alternative.
I have read all the threads about it. The average lifespan of the rod bearings is 80k miles. In some cases, you can hear a loud clinking noise coming from the engine which is an indication you're rod bearings may be going out. Either way I am okay because my car is under warranty
I think what MJBO is getting at is that by the time you can have concrete evidence that your rod bearings need replacing, you will probably be needing an engine rebuild or replacement. The damage is typically done by the time you have any indication of them going out. Oil analysis may give you an early warning but I don't think a 3rd party warranty company is gonna replace them based on that.
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