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DelphiPart #: AF10421

Delphi AF10421 Mass Air Flow Sensor

Name: Delphi AF10421 Mass Air Flow Sensor
Brand: Delphi
SKU: BBMX-AF10421
Price: 212.50 USD
Availability: InStock

60 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: BMW, Alpina B7, Alpina B7 xDrive, Alpina B7L, Alpina B7L xDrive, X6, 550i, 550i GT, 550i GT xDrive, 550i xDrive, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, X5, 750i, 750i xDrive, 750Li, and 750Li xDrive

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Not what you need? See all Mass Air Flow Sensor options

Delphi Mass Air Flow Sensor for BMW Models

The Delphi AF10421 Mass Air Flow Sensor is designed to provide accurate airflow measurement for a range of BMW vehicles. This sensor ensures proper engine performance by delivering precise data to the engine control unit, helping maintain optimal fuel efficiency and emissions control.

Color: Black and silver
Terminal Type: Blade with 5 male terminals
Connector: Single female oval connector
Mounting Type: Bolt-on installation
Housing: Sensor probe only, no housing included
Wiring Harness: Not included
Item Grade: Standard replacement quality
Package Contents: Mass air flow sensor probe and instruction sheet

Product Details and Specifications

The Delphi AF10421 mass air flow sensor features a blade terminal type with five male terminals and a single female oval connector, designed for secure and reliable electrical connections. The sensor is a bolt-on type, allowing straightforward installation without the need for additional housing or wiring harness. Its black and silver finish matches OEM standards, ensuring compatibility and durability. This sensor is a standard replacement part, suitable for maintaining factory performance levels in your BMW.

Compatible BMW Models

This mass air flow sensor is compatible with a variety of BMW models, including the 550i, 550i GT, 550i GT xDrive, 550i xDrive, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, 750i, 750i xDrive, 750Li, 750Li xDrive, X5, and X6. The part number AF10421 ensures you receive the correct sensor for these specific vehicles.

Common Issues Addressed by This Sensor

Engine performance problems due to inaccurate airflow readings
Check engine light triggered by faulty mass air flow sensor
Poor fuel economy caused by incorrect air-fuel mixture
Rough idling or stalling during acceleration
Emission control failures related to sensor malfunction

Installation Notes and Tips

Installation of the Delphi AF10421 mass air flow sensor requires removal of the old sensor and bolt-on mounting of the new sensor probe. Ensure the connector is securely attached to the female oval connector with the five blade terminals. Since the wiring harness and housing are not included, reuse the existing components from the original sensor. Follow the included instruction sheet carefully to avoid damage and ensure proper sensor function.

Quality Assurance and Warranty

Delphi provides a standard replacement grade sensor that meets OEM specifications for fit and function. While specific warranty details are not provided, Delphi parts typically come with manufacturer-backed quality assurance to support reliable operation in your BMW 550i, 650i, 750i, X5, or X6 models.

Brand	Delphi
Part Number	AF10421
Color	Black and Silver
Connector Gender	Female
Connector Quantity	1
Connector Shape	Oval
Housing Included	No
Item Grade	Standard Replacement
Mounting Type	Bolt-On
Package Contents	Mass Air Flow Sensor - Probe Only, Instruction Sheet
Terminal Gender	Male
Terminal Quantity	5
Terminal Type	Blade
Wiring Harness Included	No

This part fits 60 vehicles. Search below:

Year	Make	Model	Position	Notes
2014	BMW	X6	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	550i GT	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	550i GT xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	550i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	650i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	650i Gran Coupe	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	650i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	650i xDrive Gran Coupe	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	X5	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2013	BMW	X6	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	550i GT	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	550i GT xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	550i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	650i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	650i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	750i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	750i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	750Li	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	750Li xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	X5	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2012	BMW	X6	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	550i GT	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	550i GT xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	550i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	750i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	750i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	750Li	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	750Li xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	X5	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2011	BMW	X6	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	550i GT	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	550i GT xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	650i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	750i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	750i xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	750Li	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	750Li xDrive	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2010	BMW	X6	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2009	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2009	BMW	650i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2009	BMW	750i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2009	BMW	750Li	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2009	BMW	X6	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2008	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2008	BMW	650i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2008	BMW	750i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2008	BMW	750Li	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2008	BMW	X6	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2007	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2007	BMW	650i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2007	BMW	750i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2007	BMW	750Li	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2006	BMW	550i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2006	BMW	650i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2006	BMW	750i	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.
2006	BMW	750Li	N/A	Compatible with vehicles with probe-only Mass Air Flow Sensors.

* 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:

028021827013 62 7 566 99074-51002MA1244MAS0412MQ7414XTP451002

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