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      11-03-2012, 07:49 PM   #39
Welek Ya Kelb
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Drives: 1998 E36 M3 Coupe
Join Date: Jul 2012
Location: SoCal

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Originally Posted by M3Eddy
Anyone have a word for Costco?
This. I also fill up almost exclusively on Costco/Sam's Club gas so I wanna know, is it doing harm or good for the engine? Anyone wanna help us out with that?
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