This 1 year old thread seems to address my question...where are we on tunes for the N55? Sorry if I missed a link to the answer!!!
The likelihood of one individual being right increases in direct proportion to the intensity with which others attempt to prove him wrong.
2010 E90 335i Montego Blue / Gray Dakota Leather / ZSP ZPP STEP / SSTT / AluFelgen CS7's / M3 lip spoiler / Gloss Black Kidneys / K&N drop-in / Full-time Dual Exhaust