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      12-12-2012, 09:00 AM   #26
Kalud's Avatar
Drives: e92 335i
Join Date: Jun 2010
Location: Canada

Posts: 582
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ISO is for Isolated boost control, now controlling directly and no longer adding over stock boost. Nothing magical or voodoo about it, you should use it its a great enhancement.

For the record, the Procede use this since day 1 and its one of the reason I prefer my Procede tune over my JB4. I haven't tried the ISO JB4 yet, a bit lazy on switching tunes again. But I will when I'll test the Cobb AP next week I guess...
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