I don't think you'll get banned from customer support on the forum - but if you are trying to sell product and start threads promoting Dynavin then yeah I could see that you might need to be a sponsor or vendor -

But since you know the ins and outs of the product I don't see why you couldn't offer customer support from a BMW-head point of view

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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