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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 Thu, Oct-12-2017, 07:06:04 PM   #781
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by zeta456 View Post
Blackstone said my Castrol 0/60 was down to a 50 grade after 5K miles.
It has always become a 50 weight almost immediately. This is not a bad thing.
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Old Thu, Oct-12-2017, 07:25:50 PM   #782
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by WyattH View Post
Thanks, guys. Yes original bearings.
Nice. That's about how mine looked for my last analysis with ~70K on the replacement set (116K on the car). 3 copper/1 lead on a ~4800 mile OCI.
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Old Thu, Oct-12-2017, 08:24:07 PM   #783
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Obioban View Post
It has always become a 50 weight almost immediately. This is not a bad thing.
Yep and a 40 weight not long after. Old TWS used to hold better, but it was made of better base stocks
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Old Thu, Oct-12-2017, 08:25:14 PM   #784
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by TboneM3 View Post
Yep and a 40 weight not long after. Old TWS used to hold better, but it was made of better base stocks
Old versions actually held at 50 for pretty much the duration, as I remember.

... though I never ran it longer than 7000 miles, so can't really say.
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Old Sat, Oct-21-2017, 05:56:04 AM   #785
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Default Re: The Official E46 M3 Oil Analysis Results Thread

Just checking back in. Here are the rod bearings that had the extremely high levels of iron copper and lead. Still think there was a high possibility that there was an additive of some sort. Rod bearings 4 & 5 were the worse in my opinion. I also attached the oil analysis before the rod bearings were changed for reference.

Sidenote. What is everyone using for image hosting??







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Old Sat, Oct-21-2017, 03:32:05 PM   #786
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Default Re: The Official E46 M3 Oil Analysis Results Thread

I assume that 2500 miles is probably not enough miles for this oil analysis? But what if said 2500 mills included 3 HPDE's?

My dilemma is that I only drive the car about 5000 miles per year and also change the oil very often, at least every other track event. At the same time, I'd like to get the oil test done. So maybe this is my chance, because I had 3 track events in a 6 week span and never got around changing the oil in between.
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Old Sat, Oct-21-2017, 04:09:24 PM   #787
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by nasieg View Post
I assume that 2500 miles is probably not enough miles for this oil analysis? But what if said 2500 mills included 3 HPDE's?

My dilemma is that I only drive the car about 5000 miles per year and also change the oil very often, at least every other track event. At the same time, I'd like to get the oil test done. So maybe this is my chance, because I had 3 track events in a 6 week span and never got around changing the oil in between.
Why so many oil changes?

If you think it's too soon for analysis to be meaningful, because nothing significant has occurred... why are you changing the oil?
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Old Sat, Oct-21-2017, 04:18:30 PM   #788
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Obioban View Post
Why so many oil changes?

If you think it's too soon for analysis to be meaningful, because nothing significant has occurred... why are you changing the oil?
The first owner was obsessive about the oil change and I can't argue the results, although that is not to say that it would be worse with less changes, as you have proven with your engine looking as clean also.

Never the less, oil gets dirty and breaks down at high temps, so it is just peace of mind.

I really don't expect to find anything wrong with the engine at this mileage, but still curious.
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Old Sat, Oct-21-2017, 04:42:13 PM   #789
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Obioban View Post
It has always become a 50 weight almost immediately. This is not a bad thing.
So if it's stable (which is a big assumption granted), would M1 5w-50 be the "ideal" year round oil for the s54?
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Old Mon, Oct-23-2017, 03:00:34 AM   #790
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Obioban View Post
You need to replace your rod bearings now.
Thx Ian. I think I could've lasted another...1,000 miles...LOL. (In reference to my numbers at post #657 = http://www.m3forum.net/m3forum/showp...&postcount=657) Pulled them off at 132K. The worst was the rod side for #2 and then #1.
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File Type: jpg RB.jpg (637.6 KB, 35 views)
File Type: jpg RB2.jpg (540.5 KB, 25 views)
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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)