Originally Posted by Saturn
I wonder if the hard drive size will be upgradeable like in my Pioneer AVIC
It would probably be difficult to do it with aftermarket HDs. As the OEM HDs increase in size over time, it may be possible to do a direct swap.
I have a bad feeling that the "cutting edge" iDrive system, despite its updates, will still be worlds behind my 2 year old AVIC Z1 in terms of features and functionality.
One interesting point in the pdf is how BMW came to the determination that controls were safer and less distracting than a touch screen system.