Upstream O2 Sensor for BMW E46 E39 325i 525i X3 Z3 (1997-2005) - 234-4672
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A Guide for Users Without Repair Experience
1. When your vehicle malfunctions, use a CBD to scan and identify the fault codes (if you're unsure how to scan or interpret the codes, visit our blog for guidance).
2. Identify the faulty component based on the diagnostic code and remove it.
3. Select your vehicle's year, model, and brand directly from the search panel below, or search by the part number on the component to verify compatibility.
4. After selecting, click “Search.” A green result confirms the part is compatible. If unsure, click the result below to view deta
🛡️ Four Major Safeguards
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Sensor Location
|
|---|---|---|---|---|
|
1996-1999
|
BMW
|
318i
|
1.9L
|
Upstream
|
|
1996-1999
|
BMW
|
318is
|
1.9L
|
Upstream
|
|
1996-1999
|
BMW
|
318ti
|
1.9L
|
Upstream
|
|
2001-2005
|
BMW
|
320i
|
2.2L
|
Upstream
|
|
2000
|
BMW
|
323Ci
|
2.5L
|
Upstream
|
|
1999-2000
|
BMW
|
323i
|
2.5L
|
Upstream
|
|
2001-2003
|
BMW
|
325Ci
|
2.5L
|
Upstream
|
|
2001-2003
|
BMW
|
325i
|
2.5L
|
Upstream
|
|
2001-2005
|
BMW
|
325xi
|
2.5L
|
Upstream
|
|
1999-2000
|
BMW
|
328i
|
2.8L
|
Upstream
|
|
2000
|
BMW
|
328Ci
|
2.8L
|
Upstream
|
|
2001-2003
|
BMW
|
330i
|
3.0L
|
Upstream
|
|
2001-2005
|
BMW
|
330xi
|
3.0L
|
Upstream
|
|
2001-2003
|
BMW
|
330Ci
|
3.0L
|
Upstream
|
|
2001-2003
|
BMW
|
525i
|
2.5L
|
Upstream
|
|
1999-2000
|
BMW
|
528i
|
2.8L
|
Upstream
|
|
2001-2003
|
BMW
|
530i
|
3.0L
|
Upstream
|
|
1997-2003
|
BMW
|
540i
|
4.4L V8
|
Upstream
|
|
1997-2001
|
BMW
|
740i
|
4.4L V8
|
Upstream
|
|
1995-2001
|
BMW
|
750iL
|
5.4L V12
|
Upstream
|
|
1995-1997
|
BMW
|
850Ci
|
5.4L V12
|
Upstream
|
|
2004-2006
|
BMW
|
X3
|
2.5L / 3.0L
|
Upstream
|
|
2001-2006
|
BMW
|
X5
|
3.0L
|
Upstream
|
|
2000-2003
|
BMW
|
X5
|
4.4L V8
|
Upstream
|
|
2002-2003
|
BMW
|
X5
|
4.4L V8
|
Upstream
|
|
1999-2002
|
BMW
|
Z3
|
2.5L
|
Upstream
|
|
1999-2000
|
BMW
|
Z3
|
2.8L
|
Upstream
|
|
2001-2002
|
BMW
|
Z3
|
3.0L
|
Upstream
|
|
2003-2005
|
BMW
|
Z4
|
2.5L
|
Upstream
|
|
2003-2005
|
BMW
|
Z4
|
3.0L
|
Upstream
|
|
2003
|
BMW
|
Z8
|
4.8L V8
|
Upstream
|
|
2000-2003
|
BMW
|
Z8
|
5.0L V8
|
Upstream
|
|
2002-2003
|
BMW
|
M5
|
4.9L V8
|
Upstream
|
|
2000-2001
|
BMW
|
M5
|
5.0L V8
|
Upstream
|
|
2003-2005
|
Land Rover
|
Range Rover
|
4.4L V8
|
Upstream
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4672
Interchange: 2344672, 234 4672, 13477, 11781433075, 11781742050, 11787513962 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor (O2 Sensor)
- Wire Configuration: 4-Wire - Connector Gender: Female - Thread Diameter: 0.708 In. (approx. M18) - Mounting Type: Threaded - Wire Harness Length: 13.39 in |
Package Content :
1Pcs 234-4672 Upstream Oxygen Sensor
Please check the fitment notes for Oxygen sensor installation location information!!!
Bank 1 Sensor 1 means Upstream Right/Rear; Bank 2 Sensor 1 means Upstream Left/Front
Bank 1 Sensor 2 means Downstream Right/Rear; Bank 2 Sensor 2 means Downstream Left/Front
sensor 1=Upstream sensor 2=Downstream
Why Choose Automotive-Leader Product?
Fast Response & Speed & Stable Performance & Longer Service Life
High-quality materials used, enhance durability performance
100% Rigorous Tested Before On Sale & Shipment
Meet The Professional Specification As OEM Standard