BMW 1 Series 118d + 120d M Sport 3-door (E81) YOC: 2007 - 2012 Part: Cat-back Info: Requires rear mounting brackets (Part numbers: 18 30 7 806 567 and 18 30 7 574 951) for the 123d model (available vom your BMW dealer) tailpipe design: Twin 76.2mm Special pipe diameter: 69,85mm /2,75inch EC-approved: No Race system: No Valvesonic: No Part no.: SSXBM932