With the gas price hike here in US, and the apparent shortage of refining capacity, manufacturers are adding ethanol to more and more of the fuel they sell. Here in the Northeast, some, not all gas has ethanol added, at 7-10% rate. In the mid-west, all gas has ethanol added, and in some locales, as high as 15%. My question regarding the use of this mixed fuel to my local dealer netted uncertainty. Does anyone have any definitive info and/or data on the use of ethanol blends in our cars? Has BMWNA released any info?

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Sageriders
2011 328, Water [blue], Saddle
2006 X5 4.4i, Sterling Grey/Truffle, Premium, Sport, Cold, Rear, Adj. Ride Ht.
2005 X5 3.0, Sterling Grey/Black, Sport(Totalled!)
2002 330i, Grey-Green Met/Truffle Br. [Sold]