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Originally Posted By: Squirrelee They may have been trying to get you to put it back so they could get their hands on it ^This

Originally Posted By: Falcon_LS Would you, or anyone else for that matter claiming what I've used was fake, mind explaining how exactly this stuff is "counterfeit"? "Fully synthetic" only means "fully sythetic" when bought in Germany.

Originally Posted By: bobbydavro Castrol 0W-30 and 40 GC and BC are all PAO Do you know if M1 0w-40 is PAO also?

Different quality oils expand or contract at different rates. They follow an equation if I remember right that is similar to 1/e^(bx) where 'b' is closely related to the inverse of the viscosity index. Castrol sometimes only shows min or max values...

Interesting observation based on the numbers above. I graphed the oils here, and the 0w-40 becomes thinner than the 0w-30 @ -5c or 23f, though there's not a significant difference until you get below -25c or -13f, where the 40w is much thinner.

Originally Posted By: KCJeep Interesting the 0w40 has the Ti but they don't appear to mention it on the bottle, at least that I noticed. They are pretty proud of the Ti in their other offerings. They have recently changed the bottle to show it -

I'm guessing it's cheaper to make a 5w-40 using lower quality base oils than it is to make a 0/5w-30 with a minimum HTHS of 3.5 out of higher quality base oils since the prices in Europe seem to reflect that.

I've never read this before, but the idea came to me from my own experience... It's more common for Europeans to drive a manual shift transmisson than it is in the US. In stop-and-go traffic my Passat has no problem idling in gear when moving slow unless going uphill. This is when oil pressure...

Didn't think so, but the way he worded it, it sounded like it was...

Originally Posted By: bobbydavro Save your money. They are the same other than VM treat What you may see is a small difference as in March 2014 updated formulations were launched with Titanium. (Production is later though) So the 0w-40 uses titanium for the VM treat?

Thanks for posting these!

I would have bought the 30w but with WM selling the 40w at $21.66 for 5 quart jug, it's a no brainer.

All of the foreign spec sheets I've looked at mention titanium for Edge 0w40 a3/b4.

Please forward your email to VW Germany so that they can see what kind of idiots we have to deal with over here. Maybe they'll jerk a knot in their tail...

I really don't think VW wants to be cleaning valve deposits if they want return customers.

Originally Posted By: redbone3 I wonder if a restraint of trade violation is what is really going on? This is starting to sound like the union workers at VW and Castrol USA doesn't want us buying cheap imported oil at Walmart.

Someone's been drinking too much hot beer!

Be sure to keep your receipts.

My engine uses less Castrol than it does M1, but my engine has consumed a little oil since new. If your motor doesn't do it now, it probably will not using Castrol.