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      03-12-2013, 10:30 PM   #107
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Drives: 2015 M235i
Join Date: Aug 2010
Location: Zona

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Quote:
Originally Posted by mikew2069 View Post
If you roll in w/ the JB4 in complaining that your transmission is slipping, then yes you're f'd. Be sure to remove it before a major service.
Even then I thought our cars have the ability to track tuner codes/excess boost levels, etc; does the JB4 eliminate all of that?
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