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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, Jul-14-2017, 07:46:26 PM   #711
bngl3rt
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Obioban View Post
Wow, that is weird!

If almost feels like they has to have mixed up your sample with someone else!
I have had a couple of shops tell me that oil analysis doesn’t always reflect bearing condition. It can indicate the presence of a problem but not necessarily the absence of one.
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Old Sat, Jul-15-2017, 01:42:17 AM   #712
CrookedCommie
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by bngl3rt View Post
I have had a couple of shops tell me that oil analysis doesn’t always reflect bearing condition. It can indicate the presence of a problem but not necessarily the absence of one.
I'm actually getting the opposite. Copper 4, Lead 14 on new WPC rod bearings 7k miles ago. No "break-in", no 500 mile flush.
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Old Sun, Jul-16-2017, 07:34:11 PM   #713
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Default Re: The Official E46 M3 Oil Analysis Results Thread

I have approx 50K on my rod bearings since dealer completed the recall. How many miles are they suggesting they be done. Just ordered the kits but just did the oil and filter so not sure how accurate will be.
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Old Mon, Jul-17-2017, 12:34:55 PM   #714
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Default Re: The Official E46 M3 Oil Analysis Results Thread

^ If you're referring to how many miles to put on your oil before sending it in for a test, just run your normal OCI. They calculate universal averages on a 4800 mile run. It's seemingly a crapshoot on how well the bearings fare on mileage due to a ton of different factors. Mine were done under warranty in 2005 with just under 48K miles on them, and at 116K when I did the first UOA, it came back measuring well under the UA on wear metals (posted a page or two back in this thread). Doesn't mean I won't be doing a PM bearing change around 150K unless future UOAs indicate an earlier need, but it still made me feel quite a bit better.
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Discussing The Official E46 M3 Oil Analysis Results Thread in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)