4X Oxygen Sensor Up Downstream for 06-07 for BMW 323I 06-09 525I 525XI 530I 530XI

Condition:New|Brand:Unbranded|Country/Region of Manufacture:China|Fitment Type:Direct Replacement|Interchange Part Number:234-5139 234-5138 234-4892 234-4876|Item name::Up+Downstream Oxygen O2 Sensor|Location::Downstream; Sensor 1&2|Manufacturer Part Number:234-5139 234-5138 234-4892 234-4876|Manufacturer Warranty:3 Years|Number of Sensors:4|OE/ Part Number:234-5139 234-5138 234-4892 234-4876|Placement on Vehicle:Left, Lower, Right, Upper|Sensor Type:Oxygen Sensor|Superseded Part Number:11787558055 11787558073 11787545075 11787545074, 234-5139 234-5138 234-4892 234-4876|Wire Quantity:4&5|UPC:Does not apply