Originally Posted by mdosu
so without the M-button/Nav, you can't activate MDM? I thought there was a way to still activate it? I could have swore, at least with the 2008 models, you can get the M button with MDM and Servotronic without buying the nav?
Nope. The only time MDM and Sport Servotronic can be enabled (somewhat annoyingly) is when M Mode is enabled, which are only possible if you have M Drive, which until 2011.5 was only available as part of the Tech Pkg.