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Walker 245-1295 Mass Air Flow Sensor
Walker Mass Air Flow Assembly for BMW
Walker Mass Air Flow Assembly Part Number 245-1295 is a direct-fit mass air flow sensor assembly for select BMW applications. It is built with a housing included and a 6-terminal female connector to support accurate airflow measurement for engine management systems.
Key Features
- Mass air flow sensor assembly for emission control and engine management
- Housing included for a complete sensor assembly replacement
- 6-terminal female connector
- Fits select BMW 325Ci, 325i, 330Ci, 330i, 330i, X3, and Z4 applications
- Walker Mass Air Flow Assembly Part Number 245-1295
Product Details
The Walker Mass Air Flow Assembly line is engineered to meet or exceed OEM standards and specifications, with product development supported by Walkerβs manufacturing, engineering, and technical teams. Walker has supplied fuel system and engine sensor components since 1946 and maintains ISO 9001/IATF16949 certification. This part cross-references Delphi AF10227 for the same application.
Fitment includes 2003-2006 BMW 325Ci, 2004-2005 BMW 325i, 2003-2006 BMW 330Ci, 2004-2006 BMW 330i, 2004-2006 BMW X3, and 2003-2005 BMW Z4. Additional BMW coverage includes 2003 BMW 325i, 2003 BMW 330Ci, and 2003 BMW 330i with the listed production-date notes. If you are searching for a BMW mass air flow sensor assembly, BMW 325Ci mass air flow sensor, or BMW X3 engine management sensor replacement, Part Number 245-1295 is the relevant reference.
What It Helps Address
- Rough idle caused by inaccurate airflow readings
- Check engine light related to mass air flow sensor faults
- Hesitation or poor throttle response
- Incorrect fuel delivery from faulty air metering data
- Driveability issues on BMW 325Ci, 330i, X3, and Z4 models
Installation Notes and Tips
Verify connector style, terminal count, and housing configuration before installation. Confirm the vehicle production date for 2003 BMW applications, since some listings apply only to specific build dates. Inspect the intake tract for leaks, contamination, or damaged wiring before replacing the sensor assembly.
Quality Assurance
Walker Products has a long history in automotive fuel system and engine sensor manufacturing and backs its parts with in-house engineering, product management, and technical support. The company states that its components are produced to meet or exceed OEM standards and specifications.
| Brand | Walker |
|---|---|
| Part Number | 245-1295 |
| Position | Walker Mass Air Flow Assembly |
| Connector Gender | Female |
| Housing Included | Yes |
| Mounting Hardware Included | No |
| Terminal Quantity | 6 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | BMW | 325Ci | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2006 | BMW | 330Ci | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2006 | BMW | X3 | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2005 | BMW | 325Ci | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2005 | BMW | 325i | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2005 | BMW | 330Ci | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2005 | BMW | 330i | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2005 | BMW | X3 | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2005 | BMW | Z4 | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2004 | BMW | 325Ci | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2004 | BMW | 325i | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2004 | BMW | 330Ci | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2004 | BMW | 330i | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2004 | BMW | X3 | 3.0L | L6 | N/A | Engine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly |
| 2004 | BMW | Z4 | 3.0L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2003 | BMW | 325Ci | 2.5L | L6 | N/A | Walker Mass Air Flow Assembly |
| 2003 | BMW | 325i | 2.5L | L6 | N/A | Fits vehicles manufactured from March 2003.; Walker Mass Air Flow Assembly |
| 2003 | BMW | 330Ci | 3.0L | L6 | N/A | From 03/03, For Engine Management - Mass Air Flow Sensor; Walker Mass Air Flow Assembly |
| 2003 | BMW | 330i | 3.0L | L6 | N/A | Fits vehicles from September 2002.; Walker Mass Air Flow Assembly |
| 2003 | BMW | Z4 | 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.