Originally Posted by hotrod2448

Maybe some of those setting are for European guys who've removed the DPF? Of course given the options they have I'd go with a tune for that application but, who knows.

I'd say it may also be a possibility that DTUK uses the same internals for multiple applications across different manufacturers and that could contribute to why there are so many "map" options.

It doesn't really matter when you get down to it. It's nice that both JBD and DTUK have options to adjust your tune to the maximum trouble free potential for your car.