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      12-16-2013, 11:58 PM   #2
j23a45m
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Drives: 2011 E90 335
Join Date: Aug 2013
Location: Lancaster, Pa

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Quote:
Originally Posted by bmwarg View Post
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!
this should be asked in the N54 section since you have a 08!
back end flash have very good numbers, contact terry via email terry@burgertuning
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