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      06-08-2012, 12:03 PM   #5
518N55
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Drives: 2011 335i coupe
Join Date: Mar 2012
Location: Upstate NY

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The JB4 install is very easy. Just make sure you unhook the negative battery terminal and push connectors all the way in. I have done installations on 5 cars and have it down to about 15 minutes. Once in the car, the tune is essentially set it and forget it (map 1 + can options) ... unless you want to start messing around with meth and different octanes, then logging and emailing terry answers any questions within 10 minutes usually.
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