Reset I-drive CCC pre-LCI?
 

I have seen a bunch of videos showing the simultaneous dual eject and volume button I-drive reset, but nothing for a pre-LCI E70 with CCC. My "enter" knob works sporadically. System seems to lock up at times too. My dvd player is in the glove box; even so, the 3-button press doesn't work.

The problem ended up being a cold solder joint on the I-drive select knob hall effect sensor.
There are a few Youtube videos on the repair.