I have a 2013 M6 w/ Nav, thinking of ordering this:
https://www.atechmotorsports.com/parts/atm-dl1020u
Appears Auto-Meter bought Palmer Performance and searching DashLogic brings up Auto-Meter's gadget instead, also Auto Meter's ad and information reads exactly the same as Palmer's page on DashLogic, guessing they're the same thing.