Walker
Walker Mass Air Flow Assembly

Walker 245-1219 Mass Air Flow Sensor

Brand Walker 245-1219
Connector Gender Female
Housing Included Yes
Mounting Hardware Included No
Terminal Quantity 4
Product line Walker Mass Air Flow Assembly
Fits BMW · 28 vehicles

OE-standard build. Manufactured to meet or exceed OEM specifications.

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

Female connector. Features a 4-terminal electrical connection.

Cross-references Carlson 7175, Delphi AF10226 and Four Seasons 59100 for the same application. See all 14.

$102.35Free 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 $102.35
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 245-1219 is a direct-fit engine management component for select BMW applications. It is built with a housing included and a 4-terminal female connector to support accurate airflow signal delivery in the intake system.

Compatible With BMW 750iL, 318i, 318is, 318ti, 850Ci, and Z3 applications, this Walker mass air flow sensor assembly is a practical replacement for vehicles that need a precise airflow reading for proper fuel control. The Walker Mass Air Flow Assembly line focuses on OE-style fit and application coverage for BMW models from 1995 through 2001.

Key Features

  • Walker Mass Air Flow Assembly, Part Number 245-1219
  • Housing included for a complete assembly-style replacement
  • 4-terminal female connector
  • Emission control sensor for intake airflow measurement
  • Application coverage for select BMW 318i, 318is, 318ti, 750iL, 850Ci, and Z3 models

Detailed Description

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting OEM standards and specifications. The Walker Mass Air Flow Assembly line is backed by product management and technical support resources, and the company operates under ISO 9001/IATF16949 certification. Part 245-1219 is intended for BMW vehicles that require a complete mass air flow sensor assembly with the correct connector style and housing configuration.

This part cross-references Delphi AF10226 for the same application.

What It Helps Address

  • Rough idle caused by inaccurate airflow measurement
  • Hesitation during acceleration
  • Lean or rich fuel mixture concerns
  • Check engine light related to mass air flow sensor performance
  • Poor throttle response in BMW 318i, 318is, 318ti, 750iL, 850Ci, and Z3 models

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. This assembly uses a female connector and 4 terminals, and mounting hardware is not included. Confirm the vehicle application against the listed BMW fitments before replacing the sensor.

  • Fits 1995-2001 BMW 750iL
  • Fits 1999 BMW 318i
  • Fits 1998-1999 BMW 318is
  • Fits 1996-1999 BMW 318ti
  • Fits 1998-1999 BMW 850Ci
  • Fits 1999 BMW Z3
  • Fits 1996-1998 BMW 318i
  • Fits 1996-1998 BMW Z3
  • Fits 1996-1997 BMW 318is
  • Fits 1995-1997 BMW 850Ci

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The brand’s ISO 9001/IATF16949 certification supports controlled production and application accuracy for parts like the 245-1219 mass air flow assembly.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001BMW750iL5.4LV12N/AWalker Mass Air Flow Assembly
2000BMW750iL5.4LV12N/AWalker Mass Air Flow Assembly
1999BMW318i1.9LL4N/AComplete Assembly
1999BMW318is1.9LL4N/AComplete Assembly
1999BMW318ti1.9LL4N/AWalker Mass Air Flow Assembly
1999BMW750iL5.4LV12N/AWalker Mass Air Flow Assembly
1999BMW850Ci5.4LV12N/AComplete Assembly
1999BMWZ31.9LL4N/AComplete Assembly
1998BMW318i1.9LL4N/AWalker Mass Air Flow Assembly
1998BMW318is1.9LL4N/AComplete Assembly
1998BMW318ti1.9LL4N/AWalker Mass Air Flow Assembly
1998BMW750iL5.4LV12N/AWalker Mass Air Flow Assembly
1998BMW850Ci5.4LV12N/AComplete Assembly
1998BMWZ31.9LL4N/AWalker Mass Air Flow Assembly
1997BMW318i1.9LL4N/AWalker Mass Air Flow Assembly
1997BMW318is1.9LL4N/AWalker Mass Air Flow Assembly
1997BMW318ti1.9LL4N/AWalker Mass Air Flow Assembly
1997BMW750iL5.4LV12N/AWalker Mass Air Flow Assembly
1997BMW850Ci5.4LV12N/AWalker Mass Air Flow Assembly
1997BMWZ31.9LL4N/AWalker Mass Air Flow Assembly
1996BMW318i1.9LL4N/AWalker Mass Air Flow Assembly
1996BMW318is1.9LL4N/AWalker Mass Air Flow Assembly
1996BMW318ti1.9LL4N/AWalker Mass Air Flow Assembly
1996BMW750iL5.4LV12N/AWalker Mass Air Flow Assembly
1996BMW850Ci5.4LV12N/AWalker Mass Air Flow Assembly
1996BMWZ31.9LL4N/AWalker Mass Air Flow Assembly
1995BMW750iL5.4LV12N/AWalker Mass Air Flow Assembly
1995BMW850Ci5.4LV12N/AWalker Mass Air Flow Assembly
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — 7175Delphi — AF10226Four Seasons — 59100Spectra Premium — MA110Standard Ignition — MAS03844M109191788121333577410040028021711013621736224MAF1064MF21120MF21120N