F430 Spider Side Wind stop Question

My first post! I have an 06 Spider. The driver side wind stop is missing a bolt and grommet on one side. I can move the wind stop to expose the underside. I see the threads and used the bolt from the good side to make sure they are ok. I tried to pull the stop off after removing the bolt but had a little trouble and didn't want to force anything as these wind stops are rather expensive. Is the grommet part of the wind stop itself or is it a separate piece. If I could get it off I could see what I was dealing with. Ricambi had a view of the 360 but not the 430. They show washers and bolts, but no grommets. I could call Ricambi Monday but if anyone has some quick advice, it would be appreciated. Thanks!

 

Just a follow up. Ricambi sent me a diagram which shows a bolt and two washers which have part numbers. It also shows some kind of spacer between the wind stop and the lid but it isn't labeled. If anyone has removed the side windstop and knows what parts are needed please let me know. Thanks