Another small update:
Not sure if it needed some time or my many toggles of the settings but the collision warning flashed at me in both the HUD and the cluster yesterday - so that's working fine.
As of today, BimmerCode still can't access my cluster for coding purposes but via support...
I have an MHD adapter (orange colour) and use the Z4 setting in BimmerCode and it works as expected. Three gotchyas that I found that may/may not be affecting you were:
My MHD adapter needed an update before it worked. Download the MHD app and if your adapter needs an update the app should...
Do you remember the coding you applied?
Here is the code I tried that worked but didn't apply to the cruise control putting it out of sync:
Instrument Cluster > Expert > 3000 Anzeige_Konfiguration > BC_V_KORREKTUR - set to ohne_korrektur.
Maybe there's another code we could use to correct the...
I'm not sure this works very well. I experimented with some codes and it would appear the exact setting we need isn't available for our cars. The one we can change actually messes with the cruise control so it isn't in sync with the speedo.. which annoyed me more than the 3mph discrepancy...