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      07-07-2006, 01:44 PM   #1
JamesHKim87
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Drives: 330i
Join Date: Mar 2006
Location: OC

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91 octane or 93 octane

I was wondering which gasoline is better for the e90; 91 octane or the 93 octane? At Shell their V-Power gasoline is 91 octane... is that bad for the car?
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