sport seats will not let you adjust heat distribution, only comfort seats do. Not sure if your dealer can adjust it for you but for the right price what isn't possible..lol kiddin.
10% ethanol, there is a good excerpt in the manual (p235) about the fuel requirements and also there are many threads related to fuel on this forum (search feature).

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2007 4.8i Space Grey, 20", black nevada interior
All options with no 3rd row, rear entertainment,
handling pkg.