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Walker 250-241214 Oxygen Sensor - Downstream
Overview of Walker Products OE Oxygen Sensor 250-241214
The Walker Products OE Oxygen Sensor 250-241214 is designed specifically for select BMW models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a 19.21-inch wiring harness and a 4-wire configuration tailored for accurate data transmission.
- Heated oxygen sensor with 4-wire design for reliable operation
- Specific fitment for BMW models including 340i, 440i, 540i, and X3 among others
- 19.21-inch wiring harness length for proper installation
- 20 gauge wire measurement ensuring durability and signal integrity
- Female connector with 18mm thread diameter for secure attachment
- Overall length of 22.76 inches to accommodate OEM specifications
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-241214) is engineered to meet the exact specifications of various BMW vehicles such as the 340i, 440i Gran Coupe, 540i xDrive, and X3. The heated sensor type allows for faster warm-up times, improving emission control efficiency shortly after engine start. The 4-wire design includes two wires for the heating element and two for the sensor signal, enhancing responsiveness and accuracy. With a wiring harness length of 19.21 inches and an overall length of 22.76 inches, this sensor fits precisely in the designated mounting locations without modification.
The female connector and 18mm thread diameter ensure compatibility with factory wiring and mounting points, reducing installation complexity. The 20 gauge wire measurement supports robust electrical performance, minimizing signal loss or interference during operation.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment standards. This oxygen sensor is part of that line, designed to provide reliable performance and fitment for specific vehicle applications. By adhering to OEM specifications, Walker Products OE sensors help maintain factory-level emissions compliance and engine efficiency.
Common Applications and Issues Addressed
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel economy by ensuring correct sensor feedback
- Reduces harmful emissions by maintaining proper catalytic converter function
- Eliminates rough idling or engine hesitation caused by faulty sensors
Installation Notes and Tips
When installing the Walker Products OE oxygen sensor 250-241214, ensure the vehicle is compatible with the specific BMW models listed. Use appropriate tools to avoid damaging the 18mm threaded sensor body. Verify the female connector matches the factory harness before installation. It is recommended to replace the sensor when the engine is cool to prevent burns and to apply anti-seize compound on the threads if not pre-applied.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and consistent performance. While specific warranty details may vary, these sensors typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation or the supplier for exact warranty terms.
| Brand | Walker |
|---|---|
| Part Number | 250-241214 |
| Position | Walker Products OE, Downstream |
| Connector Gender | Female |
| Overall Length | 22.76 |
| Sensor Type | Heated |
| Thread Diameter | 18.00 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 19.21 |
This part fits 61 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2021 | BMW | M240i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2021 | BMW | M240i xDrive | 3.0L | L6 | Downstream | OE Base Sensor | ||
| 2021 | BMW | X3 | 3.0L | L6 | Downstream | OE Base Sensor | ||
| 2021 | BMW | X4 | 3.0L | L6 | Downstream | OE Base Sensor | ||
| 2020 | BMW | 440i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | 440i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | 540i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | 540i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | 740i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | 740i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | M240i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | M240i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2020 | BMW | X3 | M40i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2020 | BMW | X4 | M40i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2019 | BMW | 340i GT xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 440i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 440i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 540i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 540i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 640i xDrive Gran Turismo | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 740i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | 740i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | M240i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | M240i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2019 | BMW | X3 | M40i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
| 2019 | BMW | X4 | 3.0L | L6 | Downstream | OE Base Sensor | ||
| 2018 | BMW | 340i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 340i GT xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 340i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 440i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 440i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 540i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 540i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 640i xDrive Gran Turismo | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 740i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | 740i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | M240i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | M240i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2018 | BMW | X3 | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 340i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 340i GT xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 340i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 440i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 440i Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 440i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 440i xDrive Gran Coupe | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 540i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 540i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 740i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | 740i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | M240i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2017 | BMW | M240i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2016 | BMW | 340i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2016 | BMW | 340i xDrive | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2016 | BMW | 740i | 3.0L | L6 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.