v1.2.1 is here:
http://www.bimmerboard.com/members/k...l/NavCoder.zip
For the MkIV "Show arrival time" must be unchecked, which is equal to 0.
(checked = 1)
v1.2.1 corrected a bug in the NavCoder userinterface where you could possibly code a MkIV with "Show arrioval time" being checked.