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      01-15-2013, 09:38 AM   #5
b1aze
Just one more taste...
 
Drives: 2010 135i
Join Date: Aug 2012
Location: Shirley, MA

Posts: 1,419
iTrader: (14)

Quote:
Originally Posted by Tee-Dub
I don't have a JB4, but I'm pretty sure you have to use the BMS USB cable (if you bought one) and hook your computer up to the JB4 to get the codes.
This. In the JB4 computer interface, there is a "read codes" button that will spit out, in your case, a bunch of codes.
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