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      02-16-2013, 08:43 AM   #2
OrangeInOhio
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Drives: 2008 328i
Join Date: Jun 2012
Location: Dayton, OH

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2008 BMW 328i  [0.00]
I thought our cars required 91 octane and they were already programmed for that, or am I missing something?

I would go with the powerbox. I like the idea of adjusting it and completely disabling it if need be. That's just me though.
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2008 328i | BMW PE | 3 Stage Intake IM | K&N Drop-in