Wait what?
I'm not saying that god has to be subject to anything, only that you have no basis for exempting god from these rules other than a declaration that it is so. It is illogical.
Whether you like it or not, god suffers from every single first cause problem the universe does. As I said in my original post you have simply chosen to square this circle by saying "nuh-uh". You haven't provided a single reason why one entity should be exempt from a requirement for a first cause but not the other except to say that one doesn't because you say so.
If that is a convincing argument to you then you are welcome to it. Don't try and pretend it is rational though.
Ignoring the noise in here, I'd like to explain the rational behind God's exemption from the universe's laws of causality. It's not so much that God is breaking universal laws, just that as the creator of our time and 10+ spacial dimensions, of course he wouldn't be constrained by them. If it helps, assume He's in his own set of dimensions looking perpendicular into ours.
Example: you make a cartoon where the people reproduce by eating chocolate pudding. It starts, it ends, you can view any part of the show with fast forward or reverse, you know how it ends. There IS no chocolate pudding in your workshop, so how did you come to be? The cartoon characters can have no experience to explain where you come from. Heck, it's not even that you DIDN'T have a beginning, just that it's not beholden to the movie you've created.
Now, it very well could be that God had no beginning in the place He exists, and it becomes quite possible with theoretical dimensional equations. Like when you have a 2 directional time dimension, or 2 dimensional time (2 time dimensions perpendicular to each other).
Just because we can't picture it doesn't dismiss it.
In 4 space dimensions a basketball can turn inside out without breaking it's surface. A person able to interact with a fourth dimension could disappear from the perspective of one limited to 3.
I hate to say it, but these are easily-rectified, baby step issues against God compared to the wrestling that comes with years of theological studies.
Hope that's a clearer depiction of an often misrepresented viewpoint.