After I watched the videos, I went out and took a closer look at the molding and see if I could get it off. I started at the upper driver side which is where the worst deterioration was. It started breaking up into little pieces, so I decided to start at the bottom of the A pillar at the cowl and it all came off exactly like the first video I posted.
Definitely a good idea to wear rubber gloves to avoid getting the black tarry adhesive on your hands. Absolutely no reason to use a 1" wood chisel perpendicular to the molding channel. I used a plastic pry tool to lift up the bottom corner and it all came out pretty easily. If you need something more to get the molding out of the channel a flat head screwdriver inside the channel would be a far better choice than the chisel.
After I removed the molding I used a razor scraper to get residue off the glass and then I used Goo Gone on a rag to clean out the channel. Everything looks pretty clean at this point.
I ordered the molding from BMW/Mini of San Francisco through the Amazon link I provided for $38.04 with free shipping. It should arrive on Friday, so I'm looking forward to having the new molding on this weekend.
Here's what mine looked like before I decided to remove it. It wasn't this bad before I drove on the freeway, so it was at the point that the wind at freeway speeds was tearing it off:
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The Coupe: 2016 M4 | Sakhir Orange | Black Full Merino Leather | CF Trim | M-DCT | More | ED 5/13/16
The Sedan: 2018 M3 | San Marino Blue | Black Full Merino Leather | CF Trim | M-DCT | ZCP | ED 7/18/18
The Roadster: 2006 Z4 | Interlagos Blue | Black Extended Nappa Leather | Carbon Leather Trim | Purchased 7/19/12
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