Thread: Premium gas with ethanol in 91 560SEL?
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  #10  
Old 12-22-2014, 08:07 PM
OrangeGuy OrangeGuy is offline
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Join Date: Jul 2013
Location: Denver, CO
Posts: 59
The last 140K on my 300E have been with E10. That's all you can buy here in Colorado.
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