Walker
Walker Mass Air Flow Assembly

Walker 245-1295 Mass Air Flow Sensor

Brand Walker 245-1295
Connector Gender Female
Housing Included Yes
Mounting Hardware Included No
Terminal Quantity 6
Product line Walker Mass Air Flow Assembly
Fits BMW · 20 vehicles

OE-standard quality. Built to meet or exceed OEM specifications.

Mass air flow sensor. Measures incoming air for precise engine management.

Female connector. Six terminals for a secure electrical connection.

Cross-references Davico Mfg 19759, Delphi AF10227 and Dorman - Conduct-Tite 86184 for the same application. See all 16.

$131.70Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $131.70
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

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 Walker’s 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.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006BMW325Ci2.5LL6N/AWalker Mass Air Flow Assembly
2006BMW330Ci3.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2006BMWX33.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2005BMW325Ci2.5LL6N/AWalker Mass Air Flow Assembly
2005BMW325i2.5LL6N/AWalker Mass Air Flow Assembly
2005BMW330Ci3.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2005BMW330i3.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2005BMWX33.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2005BMWZ43.0LL6N/AWalker Mass Air Flow Assembly
2004BMW325Ci2.5LL6N/AWalker Mass Air Flow Assembly
2004BMW325i2.5LL6N/AWalker Mass Air Flow Assembly
2004BMW330Ci3.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2004BMW330i3.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2004BMWX33.0LL6N/AEngine Management Mass Air Flow Sensor - Fits various makes and models; Walker Mass Air Flow Assembly
2004BMWZ43.0LL6N/AWalker Mass Air Flow Assembly
2003BMW325Ci2.5LL6N/AWalker Mass Air Flow Assembly
2003BMW325i2.5LL6N/AFits vehicles manufactured from March 2003.; Walker Mass Air Flow Assembly
2003BMW330Ci3.0LL6N/AFrom 03/03, For Engine Management - Mass Air Flow Sensor; Walker Mass Air Flow Assembly
2003BMW330i3.0LL6N/AFits vehicles from September 2002.; Walker Mass Air Flow Assembly
2003BMWZ43.0LL6N/AWalker Mass Air Flow Assembly
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 19759Delphi — AF10227Dorman - Conduct-Tite — 86184Spectra Premium — MA353Standard Ignition — MAS02595S29902211682134556741011674102361362751395613627566983FDM980MF21128MF21168SU6950