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1277022814 BMW X3 G01 2018 Diesel NOx Oxygen Lambda Sensors 1275101863.
The Diesel NOx and Oxygen Lambda Sensors for the BMW X3 G01 (2018) are key components in the exhaust emissions system, particularly for Euro 6-compliant diesel engines. These sensors measure nitrogen oxide (NOx) and oxygen (O₂) levels in the exhaust stream, allowing the engine control unit (ECU) to optimize fuel injection, AdBlue dosing, and emissions performance.
NOx Sensor (Part No: 1277022814): Measures nitrogen oxide levels before or after the SCR catalyst.
Oxygen Lambda Sensor (Part No: 1275101863): Monitors oxygen concentration in exhaust gases to maintain optimal air-fuel ratio.
Both sensors ensure smooth operation of the DPF, SCR, and EGR systems, reduce harmful emissions, and improve fuel efficiency.
Genuine or OEM equivalent fit for BMW X3 G01 Diesel
Part Numbers: 1277022814, 1275101863
Suitable for both upstream and downstream applications (verify with VIN)
Improves engine efficiency and reduces emissions
Plug-and-play installation
Make | Model | Series | Engine Code | Year | Fuel Type | Sensor Type | Part Numbers |
---|---|---|---|---|---|---|---|
BMW | X3 | G01 | B47D20 (2.0L Diesel) | 2018 | Diesel | NOx Sensor | 1277022814 |
BMW | X3 | G01 | B47D20 (2.0L Diesel) | 2018 | Diesel | O₂ Lambda Sensor | 1275101863 |
BMW | X3 | G01 | B57D30 (3.0L Diesel) | 2018 | Diesel | NOx / O₂ Sensors | 1277022814 / 1275101863 |
Note: BMW X3 G01 diesel models may have two NOx sensors (pre- and post-SCR). It is essential to match by OEM part number or VIN for exact fitment.
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