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      12-16-2013, 10:38 PM   #1
bmwarg
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Drives: 2008 BMW 335i
Join Date: Jun 2013
Location: san francisco, ca

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BMS backend flash question

I only have JB4 ISO 25 and running map 5. I live in California and so run 91 octane pump gas. Now that the BMS backend flash is free and they have pump gas versions, do I benefit from flashing or is it better to be running JB4 only?

Thanks!
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JB4 G5 ISO | Alpina B3 TCU Flash | BMS Pump Gas Backend Flash | ER Charge Pipe
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