Bosch OEM Oxygen Sensor # 0258003477 / 13477 - BMW # 11781433075 / 11781742050 - Fits: BMW - NEW O2 PreCat, 320mm 4 Wire 100% NEW Genuine Bosch Oxygen Sensor Bosch #'s: 0258003477 / 13477 BMW # 11781433075 / 11781742050 NEW OEM SENSOR