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Walker 245-1146 Mass Air Flow Sensor
Overview of Walker Mass Air Flow Assembly 245-1146
The Walker Mass Air Flow Assembly 245-1146 is designed for precise air measurement in BMW vehicles, including models like the 323i, 328i, 528i, M3, and Z3. This mass air flow sensor ensures accurate engine air intake readings to support optimal engine performance and emissions control.
- Includes housing for secure installation
- Four terminal connections for reliable electrical interface
- Female connector gender for compatibility with factory wiring
- Compatible with BMW 323i, 323is, 328i, 328is, 528i, M3, and Z3 models
- Part number 245-1146 for precise identification
Walker Mass Air Flow Assembly Product Line Details
The Walker Mass Air Flow Assembly product line focuses on emission control sensors that deliver accurate airflow measurement critical for engine management systems. This line emphasizes quality components such as integrated housings and standardized connectors to ensure proper fit and function. The 245-1146 sensor is part of this line, providing a direct replacement solution for BMW vehicles requiring precise airflow data.
Product Features and Specifications
This mass air flow sensor comes with a housing included, which protects the sensor element and facilitates straightforward installation. It features four terminals, allowing for stable electrical connections, and a female connector gender that matches the original equipment wiring harness. The absence of mounting hardware means that existing hardware should be reused or sourced separately. The sensor is engineered specifically for BMW models including the 323i, 323is, 328i, 328is, 528i, M3, and Z3, ensuring compatibility and reliable operation.
Common Applications and Problem Resolution
- Restores accurate air intake measurement for engine control units
- Helps resolve rough idling or engine hesitation issues
- Addresses check engine light triggers related to airflow sensor faults
- Improves fuel efficiency by providing correct airflow data
- Supports emissions compliance by maintaining proper air-fuel mixture
Installation Notes and Tips
When installing the Walker Mass Air Flow Assembly 245-1146, ensure the housing is properly seated to avoid air leaks. Since mounting hardware is not included, retain original fasteners or acquire compatible hardware before installation. Verify the four-terminal connector is securely attached and that the female connector aligns correctly with the vehicle’s wiring harness. It is recommended to handle the sensor carefully to avoid damage to the sensing element.
Quality Assurance and Warranty
Walker products are manufactured to meet OEM standards for fit and function. The 245-1146 mass air flow sensor undergoes quality checks to ensure reliable performance in BMW vehicles. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region or distributor.
| Brand | Walker |
|---|---|
| Part Number | 245-1146 |
| Position | Walker Mass Air Flow Assembly |
| Connector Gender | Female |
| Housing Included | Yes |
| Mounting Hardware Included | No |
| Terminal Quantity | 4 |
This part fits 26 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | BMW | Z3 | 3.2L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 2000 | BMW | Z3 | 3.2L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1999 | BMW | 323i | Convertible | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly |
| 1999 | BMW | 323is | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1999 | BMW | 328i | Convertible | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly |
| 1999 | BMW | 328is | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1999 | BMW | M3 | 3.2L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1999 | BMW | Z3 | 3.2L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | 323i | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | 323is | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | 328i | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | 328is | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | 528i | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | M3 | 3.2L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | Z3 | 3.2L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1998 | BMW | Z3 | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1997 | BMW | 323i | 2.5L | L6 | N/A | Complete Assembly | |
| 1997 | BMW | 328i | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1997 | BMW | 328is | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1997 | BMW | 528i | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1997 | BMW | M3 | 3.2L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1997 | BMW | Z3 | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1996 | BMW | 328i | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1996 | BMW | 328is | 2.8L | L6 | N/A | Walker Mass Air Flow Assembly | |
| 1996 | BMW | 528i | 2.8L | L6 | N/A | Complete Assembly | |
| 1996 | BMW | M3 | 3.2L | 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.