Have pulled the trigger and am doing this also. I'll be removing the DPF and replacing it with the DPF delete pipe provided and will send the ECU off to be reflashed to negate all EGR functions. Here's where I found the shop that builds the DPF delete pipe and reflashes the ECU;
http://www.bimmerforums.com/forum/sh...te-development
I'll do a write-up as I accomplish this.