4Pcs O2 Oxygen Sensor Upstream & Downstream for 323i 325i X3 X5 E39 E46 Z3 Z4 Metal + Plastic Brand New Car Accessories

Oxygen sensor is an electronic device that measures the proportion of oxygen in the gas or liquid being analyzed. It is positioned in the exhaust pipe and can detect the ratio of air and gasoline.

Features:

1. Pretested, precise and high quality oxygen sensor.
2. Designed to improve fuel economy while reducing harmful emissions.
3. Helps the engine run efficiently in perfect air-gas ratio.
4. Improve engine response and performance.
5. Direct replacement for the original one. Easy installation.
6. Fit for 323i 325i X3 X5 E39 E46.

Specification:
Condition: 100% Brand New
Material: Metal + Plastic
Color: as picture show
Reference Part Number: 1781433050, 11781433075, 11781433940, 11781742050, 234-4672, 234-4683, 2344672, 2344683, SG1108, ES10899, ES10857, 15109, 13477, 250-24611, 250-24392, 0258005109, 025800347   
Size: as picture shows
Package Weight: approx.564g/20oz
Fitment: 
for 323CI 2000 E 46 M 52 L6-2.5L Upstream  and Downstream
for 323I 1999-2000 E 46 M 52 L6-2.5L Upstream  and Downstream
for 325CI 2001-2003/03 E 46 M 54 L6-2.5L Upstream  and Downstream
for 325I 2001-2003/03 E 46 M 54 L6-2.5L Upstream  and Downstream
for 325XI 2001-2005 E 46 M 54 L6-2.5L Upstream  and Downstream
for 328CI 2000 E 46 M 52 L6-2.8L Upstream  and Downstream
for 328I 1999-2000 E 46 M 52 L6-2.8L Upstream  and Downstream
for 330CI 2001-2003/03 E 46 M 54 L6-3.0L Upstream  and Downstream
for 330I 2001-2003/03 E 46 M 54 L6-3.0L Upstream  and Downstream
for 330XI 2001-2005 E 46 M 54 L6-3.0L Upstream  and Downstream
for 525I 2001-2003/03 E 39 M 54 L6-2.5L Upstream  and Downstream
for 528I 1999-2000 E 39 M 52 L6-2.8L Upstream  and Downstream
for 530I 2001-2003/03 E 39 M 54 L6-3.0L Upstream  and Downstream
for X3(M/T) 2004-2005 E 83 M 54 L6-2.5L Upstream  and Downstream
for X3(M/T) 2004-2006 E 83 M 54 L6-3.0L Upstream  and Downstream
for X5 2001-2006 E 53 M 54 L6-3.0L Upstream  and Downstream
for Z3 1999-2000 E 36 M 52 L6-2.8L Upstream  and Downstream
for Z3 2001-2002 E 36 M 54 L6-3.0L Upstream  and Downstream
for Z4 2003-2005 E 85 M 54 L6-2.5L Upstream  and Downstream
for Z4 2003-2005 E 85 M 54 L6-3.0L Upstream  and Downstream

Package List:

4 * Oxygen Sensor