Crankshaft position sensor it was! The best $160 in labor I spent for an $80 sensor, the guys at the shop said it was not fun - at least I know the MAP sensor and the cam sensor are new as well now too (I did them both just because)

all is well and the X5 is running better than ever

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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