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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, Dec-06-2018, 12:03:31 AM   #1021
M3AZ
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Texaz3 View Post
So your AL went up at 3 times less miles on oil? Concerning.
The aluminum is not good at all, but this is with over 400 track miles.
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Old Thu, Dec-06-2018, 12:54:43 AM   #1022
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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The aluminum is not good at all, but this is with over 400 track miles.
Is your oil cooler really old?

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Old Thu, Dec-06-2018, 01:20:10 AM   #1023
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Is your oil cooler really old?

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I'm pretty certain it is the original cooler, so going on 17 years and 167k miles.
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Old Thu, Dec-06-2018, 01:40:08 AM   #1024
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Default Re: The Official E46 M3 Oil Analysis Results Thread

Could be where aluminum is from, especially since you started tracking. Hopefully not from pistons.
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I'm pretty certain it is the original cooler, so going on 17 years and 167k miles.
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Old Fri, Dec-07-2018, 02:50:34 PM   #1025
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Bearing wear is looking better, but this is the second sample in a row with high aluminum.

Car has 140k on the current bearings, which were replaced by the dealer at 25k miles.

oil-analysis by M3_AZ, on Flickr
I should have saved myself 30 minutes of reading and jumped right to the end to mind an answer but my first sample has ummm alot of Aluminum. I had probably 400 track miles on the oil which is probably too much but all the other additives look good so Im not sure. Im hoping that its just shit flushing out of the oil cooler.
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Old Fri, Dec-07-2018, 03:00:36 PM   #1026
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by M3AZ View Post
The aluminum is not good at all, but this is with over 400 track miles.
That's not that many track miles...

Quote:
Originally Posted by mrgizmo04 View Post
Could be where aluminum is from, especially since you started tracking. Hopefully not from pistons.
Never heard of this before-- what's the theory here?
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Old Fri, Dec-07-2018, 03:24:12 PM   #1027
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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That's not that many track miles...



Never heard of this before-- what's the theory here?
Whats everyones typical limit for track miles on oil? Say a track that your in the upper rpm range for 75-80% of a lap? Also curious to know the the thinking about this pistons wouldnt you see Chromium with that indicating the rings are gone and you have the piston slapping around?
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Old Fri, Dec-07-2018, 03:38:22 PM   #1028
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Whats everyones typical limit for track miles on oil? Say a track that your in the upper rpm range for 75-80% of a lap? Also curious to know the the thinking about this pistons wouldnt you see Chromium with that indicating the rings are gone and you have the piston slapping around?
I do oil changes at the 50% mark and 0% points (so 7750 and 0 miles) on the OBC service counter. The service counter goes by miles of gas driven, so track use means oil changes happen more often. Generally that means I end up doing an oil change in the 4000-5000 mile range, with some portion of those being track miles (I've probably had a couple cycles like that with over 1000 track miles).

I always do oil analysis, and the oil has always still be completely healthy still, with wear metals at normal levels (other than when my rod bearings needed replacement at ~120,000 miles).

Been doing this exact service style for 14 years/150,000 miles and counting
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Old Fri, Dec-07-2018, 04:00:49 PM   #1029
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Default Re: The Official E46 M3 Oil Analysis Results Thread

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Originally Posted by Obioban View Post
I do oil changes at the 50% mark and 0% points (so 7750 and 0 miles) on the OBC service counter. The service counter goes by miles of gas driven, so track use means oil changes happen more often. Generally that means I end up doing an oil change in the 4000-5000 mile range, with some portion of those being track miles (I've probably had a couple cycles like that with over 1000 track miles).

I always do oil analysis, and the oil has always still be completely healthy still, with wear metals at normal levels (other than when my rod bearings needed replacement at ~120,000 miles).

Been doing this exact service style for 14 years/150,000 miles and counting
Makes sense. I wish I would have started to do the oil testing earlier but I suppose Ive only done 3 since owning the car. Typically I go with 5000 service miles just to be on the safe side. Glad to hear all is well and a good use of $28
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Old Sun, Dec-09-2018, 04:02:23 PM   #1030
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Default Re: The Official E46 M3 Oil Analysis Results Thread

So I just received my first Blackstone analysis on my car and it came up showing high amounts of lead. I just changed my rod bearings to new WPC treated ones approximately 7k miles ago. Could the high Lead count also possibly be from BG44k fuel additive? Is this anything I should be freaking out about?
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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)