I've never owned a BMW of the appropriate trim to get these options, but it looks like what we're asking for is already coming. It's just a matter of providing a wide enough range.
"In addition to settings one would predict—Eco, Comfort, Sport, Sport-Plus—the driver can also program accelerator mapping, steering effort, automatic-transmission function, and responses of the auto-damping suspensions."
http://www.popularmechanics.com/cars...-born-16411129