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      01-15-2013, 11:04 AM   #6
Miko226's Avatar
Drives: 08 135i n54
Join Date: Nov 2012
Location: Boca Raton, FL

Posts: 464
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Originally Posted by b1aze
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.
I have read the codes but all it did was move the speedo an flash some lights no actual codes displayed
08 n54 135i Alpina-AT 80k
Engine: JB4 e40/93, AFE DCI, VRSF 5" Stepped FMIC, VRSF Upper/Lower CP, BMS Tstat, RB PCV & BMS OCC (Next)
Exhaust: Active DP, n55 Mids (Next), Berk Ceramic Delete
Tires: Nitto 555 265/35, Nitto 555 225/40
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