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Why do people recommend map 1 over 2 on a JB4
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01-18-2013, 09:16 PM
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rdeterman
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Drives: 2008 335i Coupe 6mt
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map 2 is more boost and more ign advance over map 1
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JB4 G5 ISO W/BMS FLASH, FBO, Walbro LPFP, Spec S2+ SMFW
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