Originally Posted by Billy Ryan

I have a question. I was considering using 504 spec oil due to its higher efficiency and properties, however I do plan to run e20-e30 on a mild tune (built for that blend). I'm aware low sap oils like 504 don't do well long term with ethanol, but it question is, if I plan to change every 5k, would I still be able to enjoy the mild benefits of using 504 over 502? I know I probably can't goto 10k miles, but perhaps 5? Or just goto 502?

Originally Posted by CFLQTRO

On a 2019 RS3 I would be concerned about maintaining my warranty and would use an oil that was on Audi's list but after you tune it that may not be a problem anyway.

Life is too short to volunteer for problems.

Originally Posted by tigerhonaker

Guys,

I and a buddy of mine in San Antonio, Texas are both going to have our Audi Dealerships change the Oil & Filter at 1,000 miles.
We both agreed that will be a good point for the engine to have gone and the end of the Break-in-Period.
I do-not know the cost but I want to do it just for peace-of-mind.

Terry

Originally Posted by Billy Ryan

Oh, I was under the impression that they would not deny any claim based on oil as long as you use any 502/504 certified oil. Is this incorrect?

Originally Posted by Billy Ryan

Oh, I was under the impression that they would not deny any claim based on oil as long as you use any 502/504 certified oil. Is this incorrect?