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I also find it a bit strange that users buying diesel in the US want to delete EGR and remove the DPF/SCR system.
We've enough problems over here in Europe with emissions, without thinking of removing emission controls and taking them back to belching soot from the exhaust. Tuning simply makes that worse, in combination with DPF delete. Visual smoke from your BMW diesel won't make any friends.
BTW, what's your diesel quality like in the US? Can you get 'clean' diesel which helps reduce particulate matter and carbon build-up?
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