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      10-10-2011, 01:28 AM   #11
BF87
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Drives: 2018 LBB M2
Join Date: Jun 2010
Location: Bay Area, CA

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Quote:
Originally Posted by 135iiiiii View Post
Agreed, most techs are familiar with the JB4. All they have to do is push your steering wheel buttons to know its installed even if you had it set to map 0/bypass. I will pull mine out (30 min worth of work) everytime before taking it in.
I wonder if just unplugging the JB4 from the power and leaving it in would suffice. I don't think techs will need to open the ecu box for anything.