Quote:
Originally Posted by AsianR
Go with a tune from JZW. I ran his stage 1 for 15k miles no issues and my fuel economy stayed around 23.4 mpg city and 30ish highway!
Granted I live in the suburbs and highway is pretty flat because MI.
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JZW has difficulty with N55 tunes unless you send your DME in to them.
They are great for an N54 though.
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"Hrothgar": 2012 135i: 6MT M-Sport, BSM/Blk; Nav, Premium, Convenience, HK
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