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E39 M5 (1998-2003)

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  #1  
Old 11-07-2013, 08:52 PM
byrondonis26 byrondonis26 is offline
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Mein Auto: 2001 540i/6 1990 300zx
oil 2000 m5?? if you have nothing nice to say please move on you are not obligated

the owners manual saids Castrol formula rs sae 10w60 or veedol synthetic z sae 10w60

what about royal purple 10w30?? some guy at auto zone told me If I been using 10w60 I can use 10w30 or 40 and I think he said 50 what you guys think am asking this question cause I cant find the 10w60 all I can find is 10w30. please don't comment about my grammar is wrong ect... I don't want to hear it I just want an opinion's about the oil if you have nothing nice to say just please move on you are not obligated to answers my questions please don't waste my time and yours thanks you
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  #2  
Old 11-07-2013, 10:00 PM
ard ard is online now
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1. the owners manual does NOT say that. It says BMW TWS 10W60, period.

2. Are you really going to listen to some morons that work at autozone?

3. Mobil 1 5W50 is a good oil. Not 15...5.

4. 30 and 40 is too thin for your 2000

wow that was post #7777 for me
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  #3  
Old 11-13-2013, 07:54 AM
jdauria jdauria is offline
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Mein Auto: E39 ///M5
10W60 is the ONLY oil that should be put into these M5's.

Castrol or LuquiMoly
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  #4  
Old 11-13-2013, 11:01 AM
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We have found Castorl TWS (LINK), Liqui Moly GT1 10w60 (LINK), and Redline 10w60 (LINK) to be compatible fluids with the S62 in the E39 M5.

10w30 is not a viscosity we suggest for the S62.
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  #5  
Old 11-13-2013, 11:07 AM
JRiggs JRiggs is offline
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The autozone guys recommendation goes against BMWs (LINK to an example of a driver that reached out to find more info on oils for the M5), moral of the story I wouldn't trust the autozone guy.

I run Moly in my car. ECS carries it (i usually but it 2 or 3 oil changes worth at a time from them to save on shipping), as does your local NAPA (some stores will have to order it but they can with no issue) but it's more expensive from napa than ECS.
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  #6  
Old 11-15-2013, 11:18 PM
ard ard is online now
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Quote:
Originally Posted by ECSTuning View Post
We have found Castorl TWS , Liqui Moly GT1 10w60, and Redline 10w60 to be compatible fluids with the S62 in the E39 M5.

10w30 is not a viscosity we suggest for the S62.
What does it mean when you say 'we have found...to be compatible"??

I mean you guys are retailers, just selling stuff...you've never tested nor published any data to support that assertion, correct?

I mean other than looking at the specs and saying "yes, should work" there is no data, right? Or have you collected posts from customers saying "car didnt blow up" and that makes this compatible?

Redline isnt listed by BMW, correct?

I have a problem when 'companies' pretend to have some authority on which to base their sales claims....
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  #7  
Old 11-16-2013, 01:41 AM
RichardP RichardP is offline
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Two schools of thought here.

1) The engine was designed to use Castrol TWS 10W-60 so you should only use that, anything else is blasphemy.

2) The engine was designed by Germans to drive hard on the Autobahn to use Castrol TWS 10W-60, if you use the car as intended then 10W-60 is the best oil. However, most owners don't use the car as intended all the time, so a thinner oil is more appropriate, for example Mobil1 0-W40. Why? Because the S62 engine runs very cool when not under heavy load, water temp of about 80C and oil at 90C are normal, at this temperature 10W-60 is too thick and will not provide adequate lubrication for short bursts of power/high revs (overtaking, joining at entry ramps etc.), the viscosity is too high and thus the flow rate too low. You ALWAYS want the lowest possible value for the 1st number of a multi grade oil, this is the measure of viscosity when the oil is cold and has a different reference to the second hot viscosity index, it does NOT mean that the oil is very thin at low temperature a 0W-xx at lower reference tempearture (40 C) will be MUCH thicker than a xW-60 oil at the higher reference temperature (100 C). The second number is the important running viscosity number, a 40 weight oil is still quite thick by modern standards, especially when run at 90 C and not 100 C. When using the engine 'as designed' the oil temperature can run at 125 C, at that temperature a 60 weight oil (TWS) is more appropriate.

There is a huge amount of discussion about the correct oil for the S62, this is compounded by the fact that BMWs recommended oil has changed over time. Early S62 engines have always been recommended TWS, later engines were first recommended TWS, then SLX (5-W30), then back to TWS again.

Most people that know about the S62, but not necessarily oil in particular, will go with option 1 above. Most people that know about oil, but not the S62 in particular, will go with option 2 above. At the end of the day, you decide based on what you can find out, but in all probability the way you drive the car for the first 5 minutes after a cold start will have much more effect on the engine than any type of oil you put in for normal road driving (track driving is a totally different story).
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Last edited by RichardP; 11-16-2013 at 01:42 AM.
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  #8  
Old 11-18-2013, 08:43 AM
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ard - A few reason. Going by oils specs they meet or exceeded the requirements set by BMW. Yes our customers have reported back with positive feed back ("hey my car didn't explode after I did any oil change", "Blackstone says my oil is healthy", etc). To me the most important, my personal Blackstone oil reports, I have well over 100k miles worth of S62 driving experience and reports, these oils always reported favorably in my personal cars.

-James
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  #9  
Old 11-18-2013, 06:10 PM
Burning2nd Burning2nd is online now
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Mein Auto: E39 540, E36 328is, E83x3
Your 62 series motor should run 0-30 and 0-40 summer to winter

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