How can I fix the door seal on my Bosch HBC84K5.3?

Due to spillage I had to clean under the rubber seal on the inside of the glass door of my Bosch HBC84K5.3 microwave-oven. It seemed to be held in place with a small metal pin and now I cannot fix it back in, it just pings back out of place, there doesn't seem to be any fixture to hold it in place, does anyone know?
linda, May 2015


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