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  #18  
Old 06-24-2013, 01:25 PM
Jimsan Jimsan is offline
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Location: Somers, NY
 
Join Date: Mar 2013
Posts: 71
Mein Auto: X3
My door says 89 octane minimum for my 2014. So if I go to a higher octane will I notice a markedly higher performance? How do I notice it?
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