Thought this was interesting ...
I googled Barney Halse, it looks like he is at "Classic Heroes" nowTerrific video that every E9 owner and prospective buyers should watch. A full series of all the rot spots sure would be nice!
I met Barney Halse 30 years ago when attending an Oktoberfest. He knows these cars intimately and built a fine reputation for his shop Munich Legends.