Milltek Cat-back BMW 1 Series 118d & 120d M Sport 3-door (E81) SSXBM932 SKU: SSXBM932 Price 4,230.94 zł Requires rear mounting brackets (Part numbers: 18 30 7 806 567 and 18 30 7 574 951) for the 123d model (available from your BMW dealer)