if you are deleting I would drive out to Suffolk and have Ryan at BRR do the work for you. He tunes and works on BMW diesels and he knows what he is doing.

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2012 X5d | Deleted & BRR Tuned | DWR TCU Tune | 10.25" Android 8.1 Screen

Build Log
https://xoutpost.com/bmw-sav-forums/...efinished.html