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      08-19-2018, 10:46 AM   #18
straightcashhomie
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Drives: 335i
Join Date: Aug 2012
Location: home

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Quote:
Originally Posted by Soden82 View Post
Have the day the car feels night and day with the BEF and the JB4. Throttle response is definitely different, not in a bad way but car feels much happier and the power is much better in every map
Can you explain to me how it works? You load the jb4 bef, but then run map 5 only?
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