Quote:
Originally Posted by meevo
Castrol is the only one that make 10w60? Is it even a class iv synthetic oil?
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It's not the only 10w-60, but the Castrol 10w-60 TWS is the ONLY synthetic engine oil was specifically developed by the engineers of BMW Motorsport and Castrol for high revving naturally aspirated engines The 10w-60 TWS is API approved for the M3, and it's a Group IV/Group V PAO ester-based full synthetic oil blend. (not "class" IV)
Quote:
Originally Posted by meevo
I dunno how familiar you guys are with synthetic oils, but I'm sure there's gotta be better stuff out there.
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We know plenty noob!
And actually...
NO, there really isn't anything 'better' than the 10w-60TWS.
Quote:
Originally Posted by meevo
All my cars have run noticeably better on Amsoil synthetic compared to say, Mobil 1 synthetic.
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That may have been true in that case, because but the Mobile 1 engine oils are
Group III hydrocracked petroleum based synthetic oils, whereas the Amsoil is a Group V PAO Ester-based synthetic oil. (which has superior chemistry, friction modifiers, and corrosion inhibitors)
Quote:
Originally Posted by meevo
When I say alternative, I mean alternative brand, no more than that. Still want to run a fully synthetic 10w60.
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Then just use the Castrol 10w-60 TWS and be happy.
