Mobil 1 5w40 FS2

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Oct 4, 2010
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Yesterday while I was at AAP looking for the 0w-40 rotella (they had none sadly), I saw this European Formula oil on the shelf and I've never seen it before and it wasn't on the US Mobil 1 site but found it for the south asia pacific areas. It was not formula M. It looked similar to M1 0w-40 FS but the label had FS2 on it. It does not meet the MB 229.5 unlike the 0w-40. Is this a new offering the US or am I just behind? I took a picture but didn't save it apparently.

 
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I thought i put this in the euro forum but I messed that up. A mod can move if needed.
 
I would guess the M1 0W40 FS with MB 229.5 is Group IV PAO based, while the M1 5W40 FS-X2 with MB 229.3 is Group III based. Castrol had something similar going on with Edge 0W40 and Edge 5W40.

Noack Volatility, the 0W40 is
HTHS is 3.6cP for the M1 0W40, but 3.8 for the M1 5W40.

They are both high SAPS Euro A3/B4 oils, with high TBN.
Both carry VW 502/505 and Porsche A40, so they are good oils.

I assume they both carry the usual Euro amount of about 1000 ppm ZDDP.

So if chasing MB229.5 or Noack then go the 0W40, but if chasing a higher HTHS performance oil then go the 5W40.
 
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