335i Gas? Petro Can or Shell?
Which brand gas station do you guys go to?
I've alway used Petro Canada 91 Gas...but I just learnt that petro can (along with many other gas stations) uses ethanol in their gas and thus, their 91 is actually not 91....but more like 89
and Shell is the only big gas station that uses no ethanol in their gas....
So is it better to switch to Shell Gas?
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