D99 is a good unit but is the prior model. N6 is first to be able to be used with DSP with no modifications (if you have that feature, I do)

I think with code BMW at J&T Distributing you get $50 off so I think its $700 shipped, thats a smokin price for all that this unit does, and the OEM look it gives.

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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