Hella 7.07759.09.0 Mass Air Flow Sensor

Mass Air Flow Sensor for BMW and Hyundai

Restore accurate airflow measurement with this Hella Pierburg distributed by Hella mass air flow sensor, part number 7.07759.09.0. It is a direct-fit emission control sensor for select BMW and Hyundai applications that use OE numbers 13621432356 and 2816437100.

Key Features

• Mass air flow sensor for emission control and engine management
• Pierburg distributed by Hella product line
• OE reference applications: 13621432356 and 2816437100
• Fits select BMW 320i, 325i, 325xi, 325Ci, 525i, Z3, 323Ci, 323i, 328Ci, 328i, and 528i models
• Fits select 1999-2000 Hyundai Sonata applications
• Part number 7.07759.09.0 for identification and ordering

Detailed Description

This Hella mass air flow sensor is built for vehicles that rely on precise intake air measurement for proper fuel delivery and drivability. The Pierburg distributed by Hella line focuses on OE-style sensor applications, making this part a practical replacement choice for BMW and Hyundai vehicles listed in the fitment data. If you are replacing a failing MAF sensor on a BMW 325i, BMW 528i, or Hyundai Sonata, 7.07759.09.0 matches the specified OE references for the listed applications.

Compatible With: Fits 2001-2005 BMW 320i, N/A; Fits 2001-2005 BMW 325i, N/A; Fits 2001-2005 BMW 325xi, N/A; Fits 2001-2003 BMW 325Ci, N/A; Fits 2001-2003 BMW 525i, N/A; Fits 1999-2002 BMW Z3, N/A; Fits 2000 BMW 323Ci, N/A; Fits 1999-2000 BMW 323i, N/A; Fits 2000 BMW 328Ci, N/A; Fits 1999-2000 BMW 328i, N/A; Fits 1999-2000 BMW 528i, N/A; Fits 1999-2000 Hyundai Sonata, N/A.

What It Can Help Resolve

• Rough idle caused by inaccurate airflow readings
• Hesitation or poor throttle response
• Incorrect air-fuel mixture from a failing sensor
• Check engine light related to mass air flow performance
• Reduced drivability on BMW and Hyundai applications listed above

Installation Notes and Tips

Verify the OE number on the original sensor before ordering, especially on BMW 320i, 325i, 325xi, 325Ci, 525i, Z3, 323Ci, 323i, 328Ci, 328i, 528i, and Hyundai Sonata applications. Inspect the intake tract, air filter housing, and electrical connector for contamination or damage before installation. After replacement, clear any stored fault codes and confirm idle quality and throttle response during a road test.

Quality Assurance

Hella is the brand listed for this sensor, and the Pierburg distributed by Hella line identifies the product family used for these OE-referenced applications. Part number 7.07759.09.0 is specified for the listed BMW and Hyundai fitments.