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Part #: 245-1146

Walker 245-1146 Mass Air Flow Sensor

Walker Mass Air Flow Assembly
26 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Mass Air Flow Assembly
Fitment: BMW, Z3, 323i, 323is, 328i, 328is, M3, and 528i
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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.

BrandWalker
Part Number245-1146
PositionWalker Mass Air Flow Assembly
Connector GenderFemale
Housing IncludedYes
Mounting Hardware IncludedNo
Terminal Quantity4

This part fits 26 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
2001BMWZ33.2LL6N/AWalker Mass Air Flow Assembly
2000BMWZ33.2LL6N/AWalker Mass Air Flow Assembly
1999BMW323iConvertible2.5LL6N/AWalker Mass Air Flow Assembly
1999BMW323is2.5LL6N/AWalker Mass Air Flow Assembly
1999BMW328iConvertible2.8LL6N/AWalker Mass Air Flow Assembly
1999BMW328is2.8LL6N/AWalker Mass Air Flow Assembly
1999BMWM33.2LL6N/AWalker Mass Air Flow Assembly
1999BMWZ33.2LL6N/AWalker Mass Air Flow Assembly
1998BMW323i2.5LL6N/AWalker Mass Air Flow Assembly
1998BMW323is2.5LL6N/AWalker Mass Air Flow Assembly
1998BMW328i2.8LL6N/AWalker Mass Air Flow Assembly
1998BMW328is2.8LL6N/AWalker Mass Air Flow Assembly
1998BMW528i2.8LL6N/AWalker Mass Air Flow Assembly
1998BMWM33.2LL6N/AWalker Mass Air Flow Assembly
1998BMWZ33.2LL6N/AWalker Mass Air Flow Assembly
1998BMWZ32.8LL6N/AWalker Mass Air Flow Assembly
1997BMW323i2.5LL6N/AComplete Assembly
1997BMW328i2.8LL6N/AWalker Mass Air Flow Assembly
1997BMW328is2.8LL6N/AWalker Mass Air Flow Assembly
1997BMW528i2.8LL6N/AWalker Mass Air Flow Assembly
1997BMWM33.2LL6N/AWalker Mass Air Flow Assembly
1997BMWZ32.8LL6N/AWalker Mass Air Flow Assembly
1996BMW328i2.8LL6N/AWalker Mass Air Flow Assembly
1996BMW328is2.8LL6N/AWalker Mass Air Flow Assembly
1996BMW528i2.8LL6N/AComplete Assembly
1996BMWM33.2LL6N/AWalker 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:

1362170327513621707650158096421333604M10574M11056419087410043815911917986AF10224MA243MAS0237MF21016MF21016N

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.