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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 Tue, Jan-09-2018, 04:17:13 AM   #811
mrgizmo04
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Default Re: The Official E46 M3 Oil Analysis Results Thread

Quote:
Originally Posted by TheDoogan View Post
UPDATE:

Okay guys,

Alex @ Perf Euro says that alone the copper level isn't too alarming, but that the lead and iron levels are "very notably high". He says that with those two levels being high, the copper levels could shoot up quickly.

So: I'm adding rod bearings to the work order. Whew, hopefully The //Mander doesn't find out what this costs. =D

He did say: the fuel % isn't much cause for concern, as short drives or idling can cause that range; but to keep doing analysis each change to keep tabs on it.
Boom. You'll feel better having done everything at once.

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Old Thu, Jan-11-2018, 04:50:05 PM   #812
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Default Re: The Official E46 M3 Oil Analysis Results Thread

Hello guys, for the record (to correlate my oil analysis above with the condition of the rod bearings), this in from Alex @ Perf Euro:

Quote:
Hey Patrick

Thank you for all the information. Will try to review this all tonight. Really quick update:

Rod Bearings
REALLLLLLY glad we started this. A handful of the bearings are down to the copper on the edges. Quite a few more have pitting and layers worn off.
Your oil analysis was absolutely indicative of the condition of your bearings. I'm more surprised that the analysis company said that it was ok to continue with these bearings.

Clutch
Clutch, pressure plate, throwout bearing are all in.

Subframe
I quickly inspected it to get an idea on what we're working with. There is a VERY small crack forming in the front passenger mounting point of the rear subframe carrier panel. Nothing out of the ordinary. We will be able to fix this up without extra cost. I am hoping to have the whole rear end down by tonight and continue prepping the surface to weld in the new plates.

Parts
Got confirmation from suppliers that your subframe bushings and cams should be here by early next week. Once the cams are in, we can move forward with the VANOS repair.

Everything is progressing very well. Bottom of car is immensely clean, no corrosion, hardware is in good condition.

We will keep chipping away at the project and update you along the way. I'll do my best to collate all of the photos for your records and entertainment.

Thanks!
Alex
Also a good reason to only use BlackStone I'm guessing. This local company probably has no database.
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Last edited by TheDoogan; Thu, Jan-11-2018 at 05:12:41 PM. Reason: Perf Euro, not Perf Auto
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Old Thu, Jan-11-2018, 04:56:11 PM   #813
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Default Re: The Official E46 M3 Oil Analysis Results Thread

Blackstone also seems to like to recommend not doing bearings.

I think it's important to remember that these companies deal with all engines and don't necessarily knock what s54 specific issues/symptoms are.
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Old Thu, Jan-11-2018, 05:37:09 PM   #814
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Blackstone also seems to like to recommend not doing bearings.

I think it's important to remember that these companies deal with all engines and don't necessarily knock what s54 specific issues/symptoms are.
Good point! Now Ian, I'm curious: is the metallic makeup of these bearings designed this way so that oil analysis reveals their health - with the copper, and lead? Or is that a fortunate coincidence, that we can roughly determine their wear without inspection?
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Old Thu, Jan-11-2018, 05:40:13 PM   #815
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by TheDoogan View Post
Good point! Now Ian, I'm curious: is the metallic makeup of these bearings designed this way so that oil analysis reveals their health - with the copper, and lead? Or is that a fortunate coincidence, that we can roughly determine their wear without inspection?
They are not constructed with oil analysis in mind.

Sadly, it's also no longer possible on later production e9X M3s, either-- and they have much worse bearing issues than we do!
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Old Thu, Jan-11-2018, 06:02:00 PM   #816
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Obioban View Post
They are not constructed with oil analysis in mind.

Sadly, it's also no longer possible on later production e9X M3s, either-- and they have much worse bearing issues than we do!
Yeah, they went from lead/copper to aluminum. Which is a harder metal but I think the s65 has more of a clearance issue than anything else.
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Old Thu, Jan-11-2018, 09:21:35 PM   #817
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Default Re: The Official E46 M3 Oil Analysis Results Thread

It's not perfect but it's directionally correct. I DIY so changing bearings on a schedule is not that costly. Bearings themselves are relatively cheap.


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Old Thu, Jan-11-2018, 10:01:55 PM   #818
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Default Re: The Official E46 M3 Oil Analysis Results Thread

My blackstone results
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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)