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      02-22-2016, 02:14 PM   #21
The X Men
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Drives: 2013 X3 35i
Join Date: Mar 2012
Location: MA

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Quote:
Originally Posted by beneliezer View Post
Ive been using 89 for my past 3 fillups and have not noticed any detriment to power. It's probably SO negligible anyways...
The savings in using 89 is also negligible
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