martinatcb

Agreed. I hope that I didn't confuse the issue with my post.

Your mod is great. Thank you.

I recently had headrest dvd units installed into my vehicle. Best Buy was able to install them such that the DVD video source from the headunit (F90BT) displayed on both headrests. No other signal, gps, etc. can be transmitted however. While the headunit played a DVD (sending the signal to the rear), I was also able to utilize the GPS. I don't know what they did to make this work. I would assume, though I am not sure, that this should be possible on the X-series. As everyone pointed out, these units are not dual-zone capable. I am not aware of any software hack to make this possible, as