I've done this and have 40,000 miles since with never a problem. No regrets at all, the performance and MPG's are great.
BMW E70 X5 M57 35D Diesel Performance tune EGR SCR DPF delete BMW E70 X5 35D Xdrive 35D DPF EGR ADblue SCR Delete performance tune reflash [M57 USA Spec Performance Tune ] : BimmerOEM!, Unleash the power of your ///M

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Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out and loudly proclaiming: "WOW! WHAT A RIDE!!"

2007 M6
2018 Chevy 2500HD Diesel Alaskan Edition
2011 X5 35d
1972 Chevy K20 4X4
1972 Ford F-600
1959 Chevy Viking 60 Dump Truck
2015 CanAm Outlander XT 1000