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      01-14-2013, 06:12 AM   #2
Madill21
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Drives: '08 335i - BMS DCI, JB4
Join Date: Oct 2012
Location: Dallas, Ga

Posts: 98
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BMS tunes are very safe and unbelievably reliable in the N54's.
I run a JB4 and not a single issue. If money permits I strongly recommend the JB4 over their smaller mod you are looking at. I understand $ can be an issue tho. Look on the forums, you can probably get a JB4 cheaper than what it is brand new!
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2008 335i - JB4 / BMS DCI / Premium Package / Sport Package / 6AT
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