Catalytic Converter Type Approved fits BMW 520 E39, E60 2.2 00 to 05 BM Quality
Unique approval number for each BM part number. It works by converting exhaust emissions into less harmful ones when the gasses pass through it, triggering a chemical reaction. BMW 5 (E39) 520 i Saloon Petrol 09/2000 06/2003 RWD 24 170 125.