The genuine part number is 18 30 8581218 - number 11 on the diagram.
Genuine BMW exhaust DPF V-band clamp N47 B37 B47 18308512137
Genuine BMW Exhaust DPF Muffler Clamp D=75.9mm x 31.8mm 18307793766
BMW exhaust clamp kit gasket N47 B47 B37 TURBO TO DOWNPIPE
Genuine Ford Exhaust Clamp 1914865
Mercedes-Benz Genuine Front Exhaust Clamp 76mm New A0004901641
Genuine Ford Exhaust Clamp 2183798
