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Walker 245-1142 Mass Air Flow Sensor
Overview of Walker Mass Air Flow Assembly 245-1142
The Walker Mass Air Flow Assembly 245-1142 is designed for precise air measurement in select BMW models. This mass air flow sensor ensures accurate airflow data to the engine control unit, supporting optimal engine performance and emissions control.
- Includes housing for secure installation
- Features 3 terminals for reliable electrical connection
- Female connector design for compatibility with factory wiring
- Mounting hardware not included
- Compatible with BMW 330Ci, 330i, 330xi, 530i, X5, and Z3 models
Walker Mass Air Flow Assembly Product Line Details
The Walker Mass Air Flow Assembly product line focuses on emission control sensors that meet OEM specifications. This line provides components engineered to deliver consistent airflow measurement, which is critical for maintaining emission standards and engine efficiency. The 245-1142 sensor is part of this line, offering a housing-included design to simplify replacement in BMW vehicles.
Product Features and Specifications
This mass air flow sensor includes a housing, which protects the sensor element and facilitates straightforward installation. It has three terminals and a female connector, ensuring compatibility with the original BMW wiring harness. The absence of mounting hardware means that existing hardware should be reused or sourced separately. The part number 245-1142 identifies this specific sensor within the Walker lineup, tailored for BMW models such as the 330Ci, 330i, 330xi, 530i, X5, and Z3.
Common Applications and Issues Addressed
- Restores accurate air intake measurement for engine control
- Helps resolve rough idling or engine hesitation
- Addresses check engine light codes related to mass air flow sensor faults
- Improves fuel efficiency by providing correct airflow data
- Supports emission system compliance in BMW 330Ci, 330i, 330xi, 530i, X5, and Z3 models
Installation Notes and Tips
When installing the Walker Mass Air Flow Assembly 245-1142, ensure the housing is properly seated to avoid air leaks. Since mounting hardware is not included, retain the original fasteners or acquire compatible hardware. Verify the female connector aligns correctly with the vehicle’s wiring harness terminals. Handle the sensor carefully to prevent damage to the sensing element.
Quality Assurance and Warranty
Walker mass air flow sensors are manufactured to meet industry standards for durability and performance. The 245-1142 part undergoes quality checks to ensure reliable operation in BMW vehicles. Please refer to Walker’s warranty policy for specific coverage details related to this sensor.
| Brand | Walker |
|---|---|
| Part Number | 245-1142 |
| Position | Walker Mass Air Flow Assembly |
| Connector Gender | Female |
| Housing Included | Yes |
| Mounting Hardware Included | No |
| Terminal Quantity | 3 |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | X5 | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2005 | BMW | 330xi | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2005 | BMW | X5 | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2004 | BMW | 330xi | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2004 | BMW | X5 | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2003 | BMW | 330Ci | 3.0L | L6 | N/A | Fits vehicles up to March 2003.; Walker Mass Air Flow Assembly |
| 2003 | BMW | 330i | 3.0L | L6 | N/A | Fits vehicles up to September 2002.; Walker Mass Air Flow Assembly |
| 2003 | BMW | 330xi | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2003 | BMW | 530i | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2003 | BMW | X5 | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2002 | BMW | 330Ci | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2002 | BMW | 330i | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2002 | BMW | 330xi | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2002 | BMW | 530i | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2002 | BMW | X5 | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2002 | BMW | Z3 | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2001 | BMW | 330Ci | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2001 | BMW | 330i | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2001 | BMW | 330xi | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2001 | BMW | 530i | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2001 | BMW | X5 | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2001 | BMW | Z3 | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
* 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.