I spoke to Umnitza about the V4, they don't make them in the offset sizes needed for our E53 applications. Only V2 rings. V4's are really really nice, but at $300 for a set its getting a bit ridiculous, the V2 rings are REALLY nice as is shown in Mike's pics. I don't care for the night controller either, some might, but I don't think its worth the $40.

As well to crystalworks, the generic chinese rings shouldn't have power inverters as thats from CCFL days, they have in-line resistors and capacitors to regulate voltage. Umnitza keeps their voltage regulators enclosed in a white box which is installed in the headlight, those are usually the only things to die on the SMD LED rings.

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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