Oil thread with Lab Analyst - Page 2 - BMW M5 Forum and M6 Forums
E34 M5 Discussion 1988-1995 Sedan and Touring

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post #11 of 240 Old 15th July 2012, 05:41 PM
raymondw
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Thanks Anri for adding my (Blackstone) lab-results to this thread. I made this thread sticky and added it to the E28 and E34 FAQ's for future reference and to motivate member carrying out oil-analysis on their cars and publish the results so we can all benefit.

Blackstone laboratories offers an excellent service and a basic test only costs US$25. I added the TBN test (US$10) to predict service life of the engine-oil.

Thanks a lot for this initiative.

For more details behind the reason of my oil-analysis, please refer to this thread about my E28 M5.

For a similar program on the E39 forum, check this thread

Raymond

==> MY90 E34 M5 3.6 <==
==> MY85 E28 M5 M88/3 <==

The E34 M5 Alps tour. Sixth edition: 14-17 September 2007

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post #12 of 240 Old 15th July 2012, 06:43 PM
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What would grade oil would you recommend for the tropics ? We don't see much below 20 deg Celsius and 30 to 40 deg Celsius most days.
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post #13 of 240 Old 15th July 2012, 06:51 PM Thread Starter
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Quote:
Originally Posted by AseanAero View Post
What would grade oil would you recommend for the tropics ? We don't see much below 20 deg Celsius and 30 to 40 deg Celsius most days.
Please open your E34 M5 Owner's Manual and see what the Manufacturer recommends for your location.

Just an idea, 10W-60 is I believe not a bad idea but that's me !

Let concentrate on Oil Analyst !!! and stay inline 6cyl 24 Valves.

Anri

- E24 M6 1988. Shwartz/Tan (Daily driver).
- E24 M6 1988 Shwartz/Grey (Show car)
- E24 M6 1988 Royal Blue/Lotus. (Restoration)
- E24 M6 1988 Shwartz/Sparco S38-B36 3.6 (Track Toy).
- E28 M5 Black/Nature.
- E30 M3 1990. (Restoration)
- E31 840Ci 1997 Black/Black, all CSI futures daily driver soon S62-B50 6spd.
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post #14 of 240 Old 15th July 2012, 07:06 PM Thread Starter
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Originally Posted by raymondw View Post
Thanks a lot for this initiative.
Sure, as I have more to share !

Thanks
Anri

- E24 M6 1988. Shwartz/Tan (Daily driver).
- E24 M6 1988 Shwartz/Grey (Show car)
- E24 M6 1988 Royal Blue/Lotus. (Restoration)
- E24 M6 1988 Shwartz/Sparco S38-B36 3.6 (Track Toy).
- E28 M5 Black/Nature.
- E30 M3 1990. (Restoration)
- E31 840Ci 1997 Black/Black, all CSI futures daily driver soon S62-B50 6spd.
Need any model BMW work in So.Cal ?
https://www.instagram.com/euroclassicmotors/
https://www.youtube.com/watch?v=XTV4asC3Bp0
https://www.youtube.com/channel/UCyh..._as=subscriber
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post #15 of 240 Old 16th July 2012, 05:26 AM Thread Starter
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E39 M5 Lubro Mouly

Hi,

Hear I pulled great comparison in Viscosity !!!

Running Lubro Moly 10W60
Running Lubro Moly 5W40
Running Lubro Moly 0W40
Running Lubro Moly 0W40

The guy compared the same oil brand but diff viscosity.

As you can see the 10W-60 is the Winner as usual. I knew 6+ years ago when I got my E24 M6 S38 to use only 10W-60 starting whit TWS but later switched to Lubro Mouly ever since 100k miles only 10W-60 and no problem no ware.

My compression is still the same as I got my car back at 102k miles..

Many mechanics around me were telling me that the engine will start leak like crazy if I switched to synthetic oil, this old S38's are design to run with mineral oils tralalalalla.

I will never ever use any other viscosity oil except 10W-60, period. But that's Just Me.

Many people many opinions


My Comment in comparison

As I was told by the guy at the lab that every engine will ware the oil differently using the same brand oil and viscosity. Comparing my 10W60 lab test in comparison to this one I find that Aluminum is higher than my S38-B35 well the S62 has 2 more cylinders and more bearing shells so I think that is expected.

What surprises me is the Zinc on the S62 is higher than mine 1072 vs 970 or so. Not much difference but still both engines have 5k miles oil change using 10W60

Also another very important point is how the car is driven of course. I drive my car moderate but ones in while a guy with E46 M3 trying to show me how much faster his car is and with bitter results sadly they pull with may be a fender away ! Well, I have done some trick to my car but still under 300 ponies.

Best
Anri

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- E24 M6 1988. Shwartz/Tan (Daily driver).
- E24 M6 1988 Shwartz/Grey (Show car)
- E24 M6 1988 Royal Blue/Lotus. (Restoration)
- E24 M6 1988 Shwartz/Sparco S38-B36 3.6 (Track Toy).
- E28 M5 Black/Nature.
- E30 M3 1990. (Restoration)
- E31 840Ci 1997 Black/Black, all CSI futures daily driver soon S62-B50 6spd.
Need any model BMW work in So.Cal ?
https://www.instagram.com/euroclassicmotors/
https://www.youtube.com/watch?v=XTV4asC3Bp0
https://www.youtube.com/channel/UCyh..._as=subscriber

Last edited by First e28 M5; 16th July 2012 at 06:00 AM.
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post #16 of 240 Old 19th July 2012, 12:29 AM
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I took an oil sample of E34 M5 3.6 (GD55450) this evening. Total mileage 291824km. Sample of drained TWS will be shipped to Blackstone next Saturday.

Raymond

==> MY90 E34 M5 3.6 <==
==> MY85 E28 M5 M88/3 <==

The E34 M5 Alps tour. Sixth edition: 14-17 September 2007

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post #17 of 240 Old 19th July 2012, 06:59 AM Thread Starter
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Quote:
Originally Posted by raymondw View Post
I took an oil sample of E34 M5 3.6 (GD55450) this evening. Total mileage 291824km. Sample of drained TWS will be shipped to Blackstone next Saturday.
Ray,

Just a tipo.

Before you drain the oil from the oil pan, make sure you get brake cleaner and clean very good the actual drain plug and around the area. This way when you open your drain plug and start draining the oil you dont get a single dot of dust inside the White bottles because I guess it shows in the lab test...

I mean that's just me. You might feel its not needed.

How many miles have you driven the oil ?

I will be very interest to see the oil lab test. Please post is asap when get it back so we can comment it.

off topic: I am working on your e-mail back, just this days is crazy busy. Just start a project with full exterior DTM E30 M3 replica full stickers, the guy wants it...will post pics ones its done...

Regards
Anri

- E24 M6 1988. Shwartz/Tan (Daily driver).
- E24 M6 1988 Shwartz/Grey (Show car)
- E24 M6 1988 Royal Blue/Lotus. (Restoration)
- E24 M6 1988 Shwartz/Sparco S38-B36 3.6 (Track Toy).
- E28 M5 Black/Nature.
- E30 M3 1990. (Restoration)
- E31 840Ci 1997 Black/Black, all CSI futures daily driver soon S62-B50 6spd.
Need any model BMW work in So.Cal ?
https://www.instagram.com/euroclassicmotors/
https://www.youtube.com/watch?v=XTV4asC3Bp0
https://www.youtube.com/channel/UCyh..._as=subscriber
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post #18 of 240 Old 31st July 2012, 11:42 PM
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The results of member RobertK his 1991 E34 M5 (GD55450) just came in:



- Extrapolated for the mileage on the oild to the reference; copper content is a bit too high; this will be investigated
- Silicon was rather high; could be the old air-filter; as a matter of coincidence this part was changed simultaniously as the last oil-change
- Just like the oil-analysis of my M88/3 using the same oil, phosphorous content is rather low. This is the reasons why we switched to Mobil1 Extende life 10W60 that has 60% more on ZDDP (1300ppm of phosphorous)
- Kinematic viscosity still is high; I don't know if this is caused by the break-down of the polymers of the VI-improves ? Could be ?
- TBN was nice at 3,3; the oil-change was performed nicely in time.

Raymond

==> MY90 E34 M5 3.6 <==
==> MY85 E28 M5 M88/3 <==

The E34 M5 Alps tour. Sixth edition: 14-17 September 2007

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post #19 of 240 Old 2nd August 2012, 08:27 AM Thread Starter
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E34 M5

Quote:
Originally Posted by raymondw View Post
This is the reasons why we switched to Mobil1 Extende life 10W60 that has 60% more on ZDDP (1300ppm of phosphorous)
1300ppm is actually very good. above the normal oils.

The Lubro Mouly is around 1000ppm zddp. I will add Red Line ZDDP or ZDDP+ additive and next time I will go lap analyst to see.

Is the E34 M5 you did the oil lab analyst ever been cleaned inside the oil pan ?


Anri

- E24 M6 1988. Shwartz/Tan (Daily driver).
- E24 M6 1988 Shwartz/Grey (Show car)
- E24 M6 1988 Royal Blue/Lotus. (Restoration)
- E24 M6 1988 Shwartz/Sparco S38-B36 3.6 (Track Toy).
- E28 M5 Black/Nature.
- E30 M3 1990. (Restoration)
- E31 840Ci 1997 Black/Black, all CSI futures daily driver soon S62-B50 6spd.
Need any model BMW work in So.Cal ?
https://www.instagram.com/euroclassicmotors/
https://www.youtube.com/watch?v=XTV4asC3Bp0
https://www.youtube.com/channel/UCyh..._as=subscriber

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post #20 of 240 Old 2nd August 2012, 02:05 PM
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Quote:
Originally Posted by First e28 M5 View Post
Is the E34 M5 you did the oil lab analyst ever been cleaned inside the oil pan ?
No, sump gasket was replaced two years ago; this might explain the high silicon.

Raymond

==> MY90 E34 M5 3.6 <==
==> MY85 E28 M5 M88/3 <==

The E34 M5 Alps tour. Sixth edition: 14-17 September 2007
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