Originally Posted by elp_jc
I just got nav because wanted iDrive, but they suck compared to a $200 widescreen Nuvi750. It's hard to justify alone, but BMW cleverly bundled it with iDrive to force most people into it. If you want to use it, I'd make sure the newest version has the streets you want, before plunking big bucks for a newer disc. At least it's a simple DVD swap once you buy it. Take care.
I have an 09 so its a HDD based nav not DVD. It would probably have to be loaded to the HDD by the dealer.