BMW X3 Oxygen Sensor 11787512975 0258007142 Exhaust System Original Quality Replacement

BMW X3 (F25/G01) 2.0T and 3.0T gasoline engines: exhaust system maintenance with oxygen sensor replacement; OEM 11787512975 (compatible with 0258007142). Replacement uses zirconia ceramic sensing element and high-temperature stainless housing; tested to 80k–100k km; performance matches OEM. Core function: continuously monitor exhaust oxygen content and feed ECU to adjust air-fuel ratio precisely to ensure catalytic converter efficiency and emission compliance. Installation requires a specialized socket; difficulty: medium.