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      07-28-2009, 11:42 PM   #2
David 12

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Drives: 2014 M5 BSM
Join Date: Jan 2007
Location: Omaha

Posts: 914
iTrader: (0)

Go with the JB3 PNP - It is easy (and cheap) to update the chip to 1.3. Since your stock, the maps you will likely run will be invisible.