When asking for technical help at the very least let us know the version of firmware you are running.Cliff's Calibration (Mapping) Guide is a MUST READ: http://www.vemssupport.com/forum/index.php/topic,97.0.html
Hi!Check out Mattias MembersPage in the wiki, he has done some research on this...MattiasSandgren/BmwEconoMeterMVH