Best oil for Audi 4.0 twin turbo

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144
Location
Ontario, Canada
An email I got from the knowledgable Dave @ Red Line mentioned both the 5W30 and the 5W30 euro contain the same ester level.

He also mentioned that ester is good for intake valve cleanliness
 
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16
The new RS6 is using VW 511.00 0W40 not sure who makes it buts it’s French.
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Messages
11,674
Location
Colorado Springs
Nice spot edy, is it a sign that it’s Mobil and not Shell like all other UK engine oils?
VW is all over the place. They use Shell, castrol and Mobil1 in EU. In Russia Lukoil is their supplier.
That bottle is M1 bottle, same design, and M1 has blending facility in France.
 
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