Quote:
Originally Posted by mdosu
ha! which confirms that they did cut corners on their premium gas in the past. It's likely okay now for all high performance cars that require premium.
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Hm, maybe so. I dunno since I also used Costco almost exclusively in my E46 as well as our 2007 E91.
Quote:
Originally Posted by Z K
Costco actually is one the largest gas wholesalers on the west coast. Large gasoline companies actually buy gas from Costco facilities, add their own additive packages and then sell it to customers. So whether you buy gas from Costco or not, that gas may actually come from Costco...
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Interesting...didn't know that.