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Old 17th March 2011, 07:51   #1
mister2d
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Lubro Moly 5W40 -- Oil Analysis (>9K oil change)

I finally got around to sending off my oil before the change. I purposely took it to ~9800 miles this time to see what the long term results would look like with this oil since I really don't know how effective it's working. I'll have 10K miles on this interval before I change it this weekend.

The only thing that needs correcting in the report is the engine type. Even though I specified a 2001 M5, Blackstone erroneously reported a 2.5L M52 engine. I notified them and am waiting a response.

This is my 105K mile daily driver and it runs beautifully still. My fuel/oil maintenance routine is simple.

1st month, Lubro Moly Ventil Sauber
2nd month, Lubro Moly Jectron
3rd month, Lubro Moly Ventil Sauber
4th month, Lubro Moly Jectron
...and so on until it's time for an oil change when I drive around with the Lubro Moly engine flush added for 10 mins before I change it.

I just try to keep a consistent routine.

I'm most happy with the condition of my oem oil filter after running this oil for so long. Well, here is the report.
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Old 17th March 2011, 17:48   #2
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Fuel seems a bit high for my tastes... although this can be influenced by when/how you sampled the oil. Best practice is to drive at temp for 50 miles, then sample. Either hot or cold, but you should not sample after a cold start.
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Old 17th March 2011, 18:50   #3
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Fuel seems a bit high for my tastes... although this can be influenced by when/how you sampled the oil. Best practice is to drive at temp for 50 miles, then sample. Either hot or cold, but you should not sample after a cold start.
1% fuel is too high?

This sample came from the oil pan after my >40 mi commute home. The car did sit for about 30 mins before I went out and grabbed it.
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Old 17th March 2011, 20:20   #4
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Are you on the original rod bearings at that mileage? FYI the universal averages for the S62 engine going down the list on my report are:

5,0,13,5,4,1,59,0,2,0,0,1,69,6,7,2029,312,843,1007 ,0

Thanks for reporting on this oil.
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Old 17th March 2011, 20:24   #5
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So is this good or bad. And is this in anyhow relevant for their 10w 60 oil ?
Im asking because I run the lubro moly on my 00 with 150k. Its my daily driver, oil changes every 3k.
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Old 17th March 2011, 20:27   #6
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Maybe someone can justify this; but I thought engine flushes are not really that good for motors?
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Old 17th March 2011, 20:41   #7
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Quote:
Originally Posted by CurtinMN View Post
Are you on the original rod bearings at that mileage? FYI the universal averages for the S62 engine going down the list on my report are:

5,0,13,5,4,1,59,0,2,0,0,1,69,6,7,2029,312,843,1007 ,0

Thanks for reporting on this oil.
No problem.

Yes these are the original rod bearings. I asked about what properties to watch for wear from Blackstone and they said:

"For bearing issues, watch copper, lead, and tin. All three look great at present."


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Maybe someone can justify this; but I thought engine flushes are not really that good for motors?
I'm not going to answer that one. I just wanted to report the conditions in which I put my own engine under.
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Old 17th March 2011, 23:11   #8
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How are your valve cover gaskets aka, do you have oil in your spark plug holes? I had an oil consumption that went down a LOT when I changed the gaskets due to the gaskets being so bad.
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Old 17th March 2011, 23:15   #9
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How are your valve cover gaskets aka, do you have oil in your spark plug holes? I had an oil consumption that went down a LOT when I changed the gaskets due to the gaskets being so bad.
I replaced all those gaskets and grommets the last time it was warm.

I do know some oil is leaking because I have a slightly bad rear main seal. That's on my todo list next. It's been that way for a while and I have neglected it.
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Old 18th March 2011, 02:58   #10
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1% fuel is too high?

This sample came from the oil pan after my >40 mi commute home. The car did sit for about 30 mins before I went out and grabbed it.
Hmm. That is why the flashpoint is bolded, it is low.

I am guessing you are running a bit rich... did you ever get a smog test report? Have you looked at long term fuel trims? Any thermostat/temperature issues?

A

PS Sitting for 30 min is fine, it can even sit overnight- once you turned off the motor the oil chemistry was set and will be that way until you start it again.
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