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      06-18-2012, 08:49 AM   #28
Rotary Rasp
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Drives: 2009 E92 335i 6MT
Join Date: Aug 2008
Location: SoCal - Torrance

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I remember reading that the JB4 adapts only in 3rd and 4th gears above 5k rpm. Someone correct me if things have changed.
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