Selling or repairing BMW R 65?

Hello I need your help. My father owns a BMW R 65 in blue from 1984 with 50 hp. He doesn’t drive it anymore and I can’t do it yet. Unfortunately, the machine is also broken. The main brake cylinder and the Simmerring between the engine and transmission are defective. Since the machine was standing now 11 years it has no TÜV and the tires and the battery have to be renewed. It has run 3o.500km. My father took over it with 6,000km and since then it is definitely accident free. If you don’t mind the damage, it’s in a top condition. However, we don’t know what to do now with the motorcycle. It’s definitely too bad for the junkyard. My father is also not sure if it’s worth having the motorcycle repaired for him. The BMW R 65 is in Lower Saxony and maybe there’s a hobbyist among you who appreciates the sweetheart and is interested. Then you can give me a private message. Dear Greetings Biker__Girl