Delphi AF10446 Mass Air Flow Sensor
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Delphi

Delphi AF10446 Mass Air Flow Sensor

Brand Delphi AF10446
Color Black
Connector Gender Female
Connector Quantity 1
Connector Shape Oval
Housing Included No
Item Grade Premium
Mounting Type Bolt-On
Package Contents Mass Air Flow Sensor - Probe Only, Instruction Sheet
Terminal Gender Male
Terminal Quantity 5
Terminal Type Pin
Wiring Harness Included No
Fits BMW · 19 vehicles

Bolt-on installation. Probe-only mass air flow sensor with no housing included.

OE heritage. Built from 100 years of OE experience and supplier knowledge.

Premium grade. Female oval connector with 5-pin male terminals.

Cross-references Cardone Reman 74-50049, Continental 5WK97502Z and Spectra Premium MA329 for the same application. See all 10.

$150.39Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Delphi AF10446 Mass Air Flow Sensor

Restore accurate air measurement with this Delphi mass air flow sensor, part number AF10446. Built as a probe-only, bolt-on replacement with a 5-pin female oval connector, it is a premium emission control sensor for select BMW applications, including BMW 325i, 330i, 525i, 530i, and Z4 models.

Key Features

  • Mass Air Flow Sensor, probe only
  • Black housing color
  • Mounting type: bolt-on
  • Connector quantity: 1
  • Connector shape: oval
  • Connector gender: female
  • Terminal type: pin
  • Terminal quantity: 5
  • Terminal gender: male
  • Premium item grade
  • Package contents: mass air flow sensor - probe only, instruction sheet

Detailed Description

Delphi AF10446 is engineered for vehicles that use a probe-only mass air flow sensor design. Delphi draws on OE heritage and more than 100 years of original-equipment experience, bringing factory-level knowledge to aftermarket emission control parts. This sensor is a direct-style replacement for select BMW models, including 2004-2005 BMW 525i and 530i, plus 2006-2008 BMW Z4, 2006-2007 BMW 525i, 525xi, 530i, 530xi, and 2006 BMW 325i, 325xi, 330i, and 330xi.

This part cross-references Standard Ignition MAS0286 and Continental 5WK97502Z for the same application. The Delphi AF10446 is a practical choice when replacing a worn or inaccurate BMW mass air flow sensor and restoring proper airflow signal to the engine management system.

What It Helps Address

  • Rough idle caused by incorrect airflow readings
  • Hesitation or stumble during acceleration
  • Check engine light related to air metering faults
  • Poor fuel control from a failing MAF sensor
  • Driveability issues on BMW engine management systems

Installation Notes and Tips

Verify the vehicle uses a probe-only mass air flow sensor before ordering. Confirm the connector style, terminal count, and bolt-on mounting layout match the original unit. Inspect the intake tract for leaks, contamination, or damaged wiring before installing the new sensor. Follow the included instruction sheet and clear diagnostic codes after installation if required.

Quality Assurance

Delphi builds this sensor using OE-focused engineering informed by its long history as a supplier to major automakers. That background supports consistent fit, signal accuracy, and dependable replacement performance for select BMW applications.

Related reading

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008BMWZ4N/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2007BMW525iN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2007BMW525xiN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2007BMW530iN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2007BMW530xiN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2007BMWZ4N/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW325iN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW325xiN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW330iN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW330xiN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW525iN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW525xiN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW530iN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMW530xiN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2006BMWZ4N/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2005BMW525iN/AProbe Only; For Engine Management
2005BMW530iN/AProbe Only; For Engine Management
2004BMW525iN/AProbe Only; For Engine Management
2004BMW530iN/AProbe Only; For Engine Management
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Cardone Reman — 74-50049Continental — 5WK97502ZSpectra Premium — MA329Standard Ignition — MAS028613 62 7 520 519MA1123MAF20158MF21221NMQ6289XTP450049