re: Spinoff: Anyone using premium gas since it’s under 2$

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I do. I put premium in it all the time because thats what manual says

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I was just making sure you weren't starving a poor S63, they will retard timing and run OK for a tank but will throw a CEL and maybe even go into limp home if continually fed 86/87 octane. The hot-vee layout doesn't like higher than normal EGTs.

My wife has the same engine in her M5 Comp, great engine just hoping they have all the issues with the N63 sorted in the S63.