The one under the chrome that seals the front and rear glass when both are up. Can't find it on RealOEM. Can someone smart please point me? Thanks, A.
By your description, it would be part # 3 here.
https://www.realoem.com/bmw/enUS/showparts?id=3432-EUR-06-1973-E9-BMW-30CS&diagId=51_3451
Oops deleted my post as I misread your seal description. This is also in the FAQ in the door section. The part numbers link to w&n. This is what we have:
Search results for: '51367740105' | Wallothesch
www.wallothnesch.com