Same issue here and I am stumped. 2004 320. I dont have a vessel view display only my gauges.
I dont get speed, air temp, sea temp, or depth. ( as I can recall from last year)
I spent hours reading that one gauge need to be turned off and one on for these temps but could not find a way to...
where did you get the adaptors? I have a crack in my manifold and bought a new miniblock. I also made a manifold from 1/2 in pvc but threads are not the same