Great DIY!

I had my fluids changed around 62k when I bought my X5 just for peace of mind, I have 74k now.

Used Redline D4 ATF in the transfer case (OK for pre-facelift as its not proprietary like Xdrive TC in facelift), MTL in Manual Trans, and 75w-90 Redline in the diffs.

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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