Door top alignment

Can anyone help with how to align the door top on split doors.

I am happy with how to align the door as a whole, an although in the pictures below the alignment of the hwole door is not perfect that is not the issue. I have same issue with all doors but the one pictured is the worst.

The door top itself seems to be angled too far away from the vehicle so doe snot give a good seal at the top. I have had this issue with the military door tops I have had fitted to the front for about 10 years but not this badly so have just lived with it. It is almost like the top of the door bottom is at the incorrect angle. Does anyone have any suggestions? I am using the correct door seals for the ali split doors which also doesn't help (but removing them does not fix the problem) where by the inside lip is a tubular seal and mush thicker than the outer.

I had similar on a set of door tops on my series 3. I gently bent in the threaded rods that fix into the lower doors until the door top sat flush against the roof panel.

As above, clamp door top, length of pipe over the rod. If you have a means of local heating rod near door frame it will reduce chance of bending the door box itself.
On a visit to the Land Rover factory many moons ago it was an eye opener on how workers made parts fit.