4 PCS O2 Lambda Sensor Air Fuel Sensor for BMW X3 X5 Z3 Z4 Upstream & Downstream Auto Replacement Part

Specification

Sensor Type: Heated

Pakage Include: 4 pcs (two front sensors and two rear sensors)

Location: Downstream and Upstream

O2 Sensor Configuration: Direct Fit

Connector Gender: Female

Wires Quantity: 4 Wire Leads

Installation Type: Screw

Replace OEM Number: 11781433940. 0258005109. 250-24392. 11781742050. 0258003477. 250-24611

2344672. 234-4672.258003477. 0 258 003 477.ES10899.234-4683.250-24392.ES10857

Application:

for BMW 323CI 2000 E 46 M 52 L6-2.5L
for BMW 323I 1999-2000 E 46 M 52 L6-2.5L
for BMW 325CI 2001-2003 E 46 M 54 L6-2.5L
for BMW 325I 2001-2003 E 46 M 54 L6-2.5L
for BMW 325XI 2001-2005 E 46 M 54 L6-2.5L
for BMW 328CI 2000 E 46 M 52 L6-2.8L
for BMW 328I 1999-2000 E 46 M 52 L6-2.8L
for BMW 330CI 2001-2003 E 46 M 54 L6-3.0L
for BMW 330I 2001-2003 E 46 M 54 L6-3.0L
for BMW 330XI 2001-2005 E 46 M 54 L6-3.0L
for BMW 525I 2001-2003 E 39 M 54 L6-2.5L
for BMW 528I 1999-2000 E 39 M 52 L6-2.8L
for BMW 530I 2001-2003 E 39 M 54 L6-3.0L
for BMW X3(M/T) 2004-2005 E 83 M 54 L6-2.5L
for BMW X3(M/T) 2004-2006 E 83 M 54 L6-3.0L
for BMW X5 2001-2006 E 53 M 54 L6-3.0L
for BMW Z3 1999-2000 E 36 M 52 L6-2.8L
for BMW Z3 2001-2002 E 36 M 54 L6-3.0L
for BMW Z4 2003-2005 E 85 M 54 L6-2.5L
for BMW Z4 2003-2005 E 85 M 54 L6-3.0L

for Land Rover for Range Rover 2003-2005 4.4L

ONLY FOR manual transmission 2004 for BMW X3 3.0

Symptoms of a failing oxygen sensor includes:

-Sensor light on dash indicates problem.
-Increased tailpipe emissions.
-Increased fuel consumption.
-Hesitation on acceleration.
-Stalling.
-Rough idling.

If there is a problem with the ternary catalyst. replacing the oxygen sensor will not solve the problem of the fault light.

If the ternary catalyst has no effect. the data detected by the oxygen sensor will be abnormal