Maybe the people from Team Banzai can help you. Their VW Touareg is copletely driven by OSX and some Mini's
Anyone know of anything similar but with mac software ?
please let us know the results. i would love to be able to see just my speedometer
Sorry for steeling your time, I'm new at this forum and I totally missed the OBD-II forum ;(
there is alot of information about this there...
here is one link for ex.