Thread: COSTCO gas
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      02-27-2013, 03:36 PM   #46
Arben72
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Drives: E92 M3
Join Date: Apr 2011
Location: Illinois

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Quote:
Originally Posted by BMWFB02 View Post
How come BP is not on that list and its the only one recommended by the manual. I use it most of the time, BP invigorate 93% octane
My m3 started choking on 93 from BP. I guess it's station dependent.
I only use 93 shell ethanol free, except for the few times I'm almost out of gas in Chicago.