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      11-26-2012, 04:26 PM   #3
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Drives: 2009 E92 335i LeMans Blue
Join Date: Oct 2012
Location: Pleasant Hill, CA

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Originally Posted by Gugs View Post
You cant leave the Jb4 on anything but map 0 if you plan on leaving it in for dealer visits due to the fact that the JB4 disables the obd port.
Yeah, I would set it to map 0, but I'm asking about physically leaving it installed so I don't have to mess with removal/reinstall each time I visit dealer.

Obviously if I have something related to turbos, DME, etc. when I bring it in I would remove JB4.
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