Oil Test Results
02-15-2008, 07:22 AM
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All,
I sent a sample of my oil to the folks at Blackstone Labs. Attached are the findings.
The interesting points are that they do a analysis on how much life is left in the oil. They stated there was plenty of life left. Enough I would assume to go the entire 15K. They also found higher than normal amounts of aluminum. They attributed this to further 'break in' of the engine and expect it to go down over the next oil change.
Enjoy!
Cheers,
Nick
PS
The original oil change thread
http://forums.e60.net/index.php?showtopic=50482
I sent a sample of my oil to the folks at Blackstone Labs. Attached are the findings.
The interesting points are that they do a analysis on how much life is left in the oil. They stated there was plenty of life left. Enough I would assume to go the entire 15K. They also found higher than normal amounts of aluminum. They attributed this to further 'break in' of the engine and expect it to go down over the next oil change.
Enjoy!
Cheers,
Nick
PS
The original oil change thread
http://forums.e60.net/index.php?showtopic=50482
02-15-2008, 07:48 AM
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Originally Posted by Rudy' post='531804' date='Feb 15 2008, 11:44 AM
Thanks for the update.
Maybe it's just me but I'd be a little concerned about the higher than average ppm of molybdenum...
Maybe it's just me but I'd be a little concerned about the higher than average ppm of molybdenum...
02-15-2008, 07:49 AM
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Good stuff Nick.
I personally went the entire 16K on my N52... 2 actual years. The car never required any additional oil during that timeperiod. It seems that in regular conditions, the factory (and car sensor) recommendations are just fine.
I personally went the entire 16K on my N52... 2 actual years. The car never required any additional oil during that timeperiod. It seems that in regular conditions, the factory (and car sensor) recommendations are just fine.
02-15-2008, 07:54 AM
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Originally Posted by UUronL' post='531810' date='Feb 15 2008, 11:49 AM
Good stuff Nick.
I personally went the entire 16K on my N52... 2 actual years. The car never required any additional oil during that timeperiod. It seems that in regular conditions, the factory (and car sensor) recommendations are just fine.
I personally went the entire 16K on my N52... 2 actual years. The car never required any additional oil during that timeperiod. It seems that in regular conditions, the factory (and car sensor) recommendations are just fine.
This report would support your argument. Their test on the active life of the oil says it can go quite a while longer!
02-15-2008, 08:14 AM
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If you also post on http://www.bobistheoilguy.com, more BMW drivers will know how BMW 5W30 oil is doing...
02-15-2008, 08:27 AM
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Originally Posted by UUronL' post='531810' date='Feb 15 2008, 08:49 AM
I personally went the entire 16K on my N52... 2 actual years.
02-15-2008, 09:01 AM
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Originally Posted by nickolas_g' post='531809' date='Feb 15 2008, 11:48 AM
I did have to change the fetzer valve and repack the ball bearings. That may be the culprit.
02-15-2008, 12:05 PM
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Originally Posted by hmc' post='531817' date='Feb 15 2008, 05:27 PM
Did you know you can get a free oil change after 1 year regardless of mileage?
Lee
02-15-2008, 01:06 PM
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Originally Posted by hmc' post='531817' date='Feb 15 2008, 12:27 PM
Did you know you can get a free oil change after 1 year regardless of mileage?
Yes I knew that. Considering my car has come back in somewhat worse shape from the dealer than when I handed it off, my decision to keep it out of their clutches in hindsight seems to have been a good one. As a general rule I like to keep my cars out of the garage if at all possible. Didn't need to take it in for anything for the entire first two years.
When I did take it in - only minor stuff was required:
-replace RFTs under TSB (noise)
-replace brakes and rotors under TSB (noise)
-replace wood dash trim (crack, defective)
-replace key (diode failure, defective)
-fix passenger front window trap failure
-scheduled oil change
-scheduled brake fluid change
-code update to correct false "high battery drain" indication
At the 1 year mark, I only had 8K miles, which is borderline for full break-in and seating of the engine components. I didn't quite want to rush it, and at some point after passing up the one year mark I just decided to go by the car's sensors.