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i think I am having the same problem.. I recently bought an used JB4 and I just installed it and cant figure out the option to change maps since I have the catless downpipe. I also want to know what map is the JB4 running at the moment. The BC option is not working on my 535i.
is anyone in the NYC area that can help me with this, I will gladly appreciated.
Thanks.
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13'- F10--> Work in progress: V-Style front lip, HAMANN roof spoiler, M5 grill, high kick trunk spoiler, H&R sport springs, C-quence Drilled front rotors, VRSF Catless DP, VRSF charge pipe.
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