I watched a Safelite installer remove the alum trim and windshield from my 300D. He slid the top middle clip to one side, pryed up the ends just enough to slide a 1/4 " rope under. Sprayed the mouldind with glass cleaner as a lube and pulled on the rope (both ends) and that lifted the alum trim out of the rubber moulding. The windshield now comes out easily by pushing from the inside.

I have taken the alum trim off the windshield of my 240D parts car since using the same method and it came out easily.

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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked