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Originally Posted By: njohnson Originally Posted By: NocturnalG Originally Posted By: njohnson

Originally Posted By: AnchorMgmt New to BITOG, but not new to lurking BITOG! Sorry, I'm adding UOA to an old thread. Not a well known oil so I thought I'd add where it's being discussed. I've been using Liqui Moly 10w60 and LM 5w40 in my 08 BMW 335XI (E92) with Stage 3 Dinan and lots of mods...

Originally Posted By: njohnson Originally Posted By: KingCake A little varnish is normal. Removing it has zero benefit. Our SUV is a 2001 Isuzu Trooper. We bought it new, and have maintained it with synthetic oils from the start. The engine is clean for the most part, the varnish is very...

Originally Posted By: kschachn Originally Posted By: NocturnalG 30 weight oils are not approved for your AMG engine. SynPower MST 5W-30 carries MB 229.5. It's not about weights it's about minimum HTHS and approvals. AMG engines have always required 40 weight oils... exception being the SLR...

30 weight oils are not approved for your AMG engine.

Originally Posted By: Garak Check the Castrol MSDS again. While we must remember that an MSDS is not a recipe, I see nothing in there indicating that this is a primarily Group III product, and I see indications that there is PAO in it, on top of all that. And yes, companies can market a...

I stand corrected after looking into it in the book, Polymers: A Property Database... Castrol is PAO based. I'm still curious how they can sell it so cheap at Walmart?

Originally Posted By: aquariuscsm Originally Posted By: NocturnalG I found the MSDS for both the Motul and Castrol if anyone is interested... http://www.worldpac.com/tagged/Motor_Oil_-_Castrol_-_0W-40_Edge_A3_B4.pdf http://www.worldpac.com/tagged/Motul_8100_xcess_5w40.pdf If I'm...

Here's the latest MSDS for Castrol... http://msdspds.castrol.com/ussds/amersdsf.nsf/Files/8364A7B4B48FF1E980257FDA00527AA8/$File/11101785.pdf

I found the MSDS for both the Motul and Castrol if anyone is interested... http://www.worldpac.com/tagged/Motor_Oil_-_Castrol_-_0W-40_Edge_A3_B4.pdf http://www.worldpac.com/tagged/Motul_8100_xcess_5w40.pdf

I recall Castrol 0w40 being mostly polyalphaolefin... But I can't seem to find out what Motul is made up of? Anyone know? Thanks!

Nothing special IMO, it's decent oil. Check my UOA for info on it, it's 229.5 and it works. Edit: Thought I'd mention 33 dollars is CHEAP. I have 20-25 liters and I paid nearly 45-50 for each 5 liter container.

Originally Posted By: Popsy +1 Castrol 0W40, but also why not stay with Motul? I liked the X-max 0W40 better than the X-cess 5W40, but it is also a matter of price and availability (which I don't have on Motul products). Old M1 0W40 SL formula looks pretty good, wish we could still find some...

The car is a 2002 MB E55, currently running Motul Xcess 8100 5w40... I have a UOA posted on here as well. Factory fill was Mobil 1 0w40 SL formula... Which was a pretty thick oil. Here's a spec sheet that I found to see what Mobil 1 0w40 once was...

Originally Posted By: Jetronic how many oil changes since 107k? it's not unusual to have 10% old oil left over inside the engine. It could still be from then. And 4 ppm could very well be 2 ppm if rechecked. From about 56k-98k I used Royal Purple 10w40 SL formulation, 98-107k I used Royal...

Originally Posted By: BrocLuno What internal component could contribute moly or boron? Sometimes gear metal will show alloy constituents that can be present but very low concentrations .... Those doses are not really a concern. But curious anyway ... Rings could be moly, as well as coolant. I...

Previous fill was the same oil... Has been since 107k miles on the car.

This is my first UOA, thought I'd share... Blackstone got the engine wrong, it's the naturally aspirated engine. 99-02 E55 all had N/A engines. Would like any feedback anyone has... I'm a bit confused on why molybdenum is showing 4 ppm, Motul uses none in that oil as far as I know.

I contacted Motul USA and can confirm they are now producing the oil in Italy now. I purchased 25 liters and all were made in Italy with production dates of October and November 2014. I'm more interested in a VOA now to see if anything has changed as well as an UOA.