BMW 54347219113 Square Headed Bolt

linked above is the diagram of the roof. Based on that, part no.54-34-7-219-113 (labeled as 17) and part no 54-34-7-219-114 (labeled as 18) would go together. They will also need the shim (labeled as 16) and the spacer plate (labeled as 15) that are also on that diagram. you will need to find out what size each one (parts 15 &16) is as the shim comes in a 0.5, 1.0, 2.0 and the spacer plate come in a 0.5mm, 1.0mm, 2.0mm