Quote:
Originally Posted by basilray
I'll second that.
DEF is cheap. I've got no problems topping that up, assuming SCR functionality can be maintained while deleting the DPF and re-circulation of exhaust gas though my engine. At the end of the day, I'm not trying to be green, but if I could curb some of the output while opening up the performance and longevity...it would feel like a happy compromise.
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Typically your SCR won't last long with a DPF delete. The SCR isn't designed to handle all the soot that passes through the system when you remove the DPF and clogs up after a few K miles.
ABC delete without gutting SCR
In this case delete the DPF and SCR together or neither, its easier on an X5 than it is on a 335d. The only one that can be done independently is the EGR delete.