-------------------METHOD 2 (assed out easy)------------------
CDROM ISO!!!!
1. Download this 30MB file: http://www.megaupload.com/?d=4T5MBJL7
2. Burn to CD or DVD.
3. Insert in Z2, press Map, and run the update!
4. Press the recessed reset button once, and your Z2 is now 2-wire bypassable.
Are you sure it makes a difference if I use DVD or CD?