Milltek SSXBM977 Turbo in discesa con montaggio obbligatorio della linea catalizzatore Sport Hi-Flow MilltekCaratteristiche: catalizzatore Sport Hi-Flow. Compatibile con: BMW 4 Series F32 428i Coupé (Automatic Gearbox, without Tow Bar, None xDrive & N20 Engine Only) (2014-2016); BMW 4 Series F32 428i Coupé (Manual Gearbox, without Tow Bar, None xDrive & N20 Engine Only) (2014-2016).