HomeEmission Control > SensorsSpectra MA329 Mass Air Flow Sensor
Part #: MA329

Spectra MA329 Mass Air Flow Sensor

⚙️ 24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, Z4, 525i, 525xi, 530i, 530xi, 325i, 325xi, 330i, and 330xi
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Reliable Mass Air Flow Sensor for BMW Models

The Spectra MA329 Mass Air Flow Sensor is designed to provide accurate airflow measurement for various BMW vehicles. This sensor ensures optimal engine performance by delivering precise data to the engine control unit.

  • Compatible with BMW 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4 models
  • OEM-quality replacement part number MA329
  • Measures the amount of air entering the engine for efficient fuel management
  • Direct fit sensor for emission control systems
  • Durable construction for consistent performance

Product Details and Compatibility

The Spectra MA329 Mass Air Flow Sensor is engineered to meet the specifications required by BMW engines, particularly for models such as the 325i, 330i, 525i, 530i, and Z4. This sensor plays a critical role in the emission control system by accurately measuring the volume and density of air entering the engine. The data collected by the MA329 sensor allows the engine control unit to adjust fuel injection and ignition timing, which helps maintain engine efficiency and reduce emissions.

Common Applications and Problem Resolution

  • Helps resolve rough idling and engine hesitation
  • Addresses poor fuel economy caused by inaccurate air measurement
  • Corrects issues with engine stalling or misfires
  • Improves throttle response and overall drivability
  • Reduces check engine light triggers related to airflow sensor faults

Installation Notes and Tips

Installation of the Spectra MA329 sensor requires basic mechanical skills and standard hand tools. Ensure the engine is cool before beginning installation. Disconnect the battery to prevent electrical shorts. Remove the old mass air flow sensor carefully to avoid damaging the intake system. Install the new sensor in the correct orientation and secure all electrical connections firmly. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Spectra provides a reliable replacement part with the MA329 Mass Air Flow Sensor, manufactured to meet or exceed OEM standards. This sensor undergoes quality control testing to ensure consistent performance and durability. Warranty coverage details are available through the manufacturer, offering assurance against defects in materials and workmanship.

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009BMWZ43.2LL6N/ACompatible with multiple Mass Air Flow Sensors.
2009BMWZ43.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2009BMWZ42.5LL6N/ACompatible with multiple Mass Air Flow Sensors.
2008BMWZ43.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2007BMW525i3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2007BMW525i2.5LL6N/ACompatible with multiple Mass Air Flow Sensors.
2007BMW525xi3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2007BMW530i3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2007BMW530xi3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2007BMWZ43.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW325i3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW325xi3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW330i3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW330xi3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW525i3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW525i2.5LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW525xi3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW530i3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMW530xi3.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2006BMWZ43.0LL6N/ACompatible with multiple Mass Air Flow Sensors.
2005BMW525i2.5LL6N/APrimary MAF Sensor, Sensor Only
2005BMW530i3.0LL6N/APrimary MAF Sensor, Sensor Only
2004BMW525i2.5LL6N/APrimary MAF Sensor, Sensor Only
2004BMW530i3.0LL6N/APrimary MAF Sensor, Sensor Only

* 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:

136275205192212212451188591975WK97502Z64182474500498650049MA1123MAF1233MAF20158MAS0286MF21221MF21221NMQ6289SU7106XTP450049

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