Even More Roof Shenanigans

[Leadtoe]

I didn't want to jump on and hijack someone else's thread with my woes.
its on a 2014 Z4 E89 35is

I have a roof not latched alarm coming in intermittently. it comes in and clears only to come in again a few minutes later.
The Code I get is A6A4.
When i looked at the live data on mt Foxwell NT530 reader it shows: Rear-end module closed changing state from Yes to No multiple times.

Any idea which sensor that one is ?
I hate the idea of disturbing ones that are not causing issues

 

[B21]

Try this..

 

[flybobbie]

Broken wire.