Thread: jb4 iso
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      01-04-2013, 03:41 PM   #3
gzim335
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Drives: e92 m3
Join Date: Feb 2011
Location: staten island ny

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2007/1 e90 335i  [1.00]
Quote:
Originally Posted by Dmoney0823
I have not done the JB4 update and my gas mileage is still shit. Full bolt as well.
before iso upgrade it wasnt this bad but now my car does 12 mpg lol and im not even abusing it
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