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Old 03-13-2010, 02:14 PM   #328 (permalink)
Zless@arizona
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Default Finally, some scientific data...

The oil used is Mobil1 0-40. It is a PAO/Ester blend (Type IV/V). All Mobil1 oils are not the same, and I refuse to call all Mobil1s "synthetic." Some of the Mobil1s are Type III which is based upon petroleum. Mobil1 0-40 is factory/service fill for a lot of high-end performance vehicles. That said, it may or may not be the best oil for the VQ37HR, but you certainly can do worse.
.....UAO is what we should be looking at on this thread, as well as manufacturer test data, not opinions, nor visual cues (color of the oil). Good job CaspianM, kudos to the UOA post above!
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The only U.S.A.-available Mobil1 oil that is BMW LL01 is 0W-40...most of M1's engine oil is hydrocracked/GIII junk.
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