i'm pretty sure your indy who did the LCM meant this, and yes your tails will come and go, sometimes they will be out and sometimes they won't because its such an intermittent connection at the circuit board, check out this thread for details:

http://www.xoutpost.com/bmw-sav-foru...light-fix.html

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards