HomeEmission Control > SensorsSpectra MA342 Mass Air Flow Sensor
Part #: MA342

Spectra MA342 Mass Air Flow Sensor

31 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, M5, M6, 325Ci, 330Ci, X3, 325i, 330i, 525i, and 530i
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Overview of Spectra MA342 Mass Air Flow Sensor

The Spectra MA342 Mass Air Flow Sensor is designed for precise air measurement in select BMW models. This sensor ensures accurate air intake readings, which are critical for optimal engine performance and emission control.

  • Compatible with BMW 325Ci, 325i, 330Ci, 330i, 525i, 530i, M5, M6, and X3 models
  • OEM-quality replacement part number MA342
  • Measures the volume and density of air entering the engine
  • Supports emission control system efficiency
  • Direct fit for easy installation without modifications

Detailed Product Description

The Spectra MA342 Mass Air Flow Sensor is engineered to provide accurate airflow data to the engine control unit (ECU) in various BMW vehicles, including the 325Ci, 330i, and M5. By monitoring the amount of air entering the engine, this sensor helps maintain the correct air-fuel ratio, which is essential for engine efficiency and reduced emissions. The part number MA342 corresponds to a direct replacement sensor that meets the specifications required for these BMW models, ensuring reliable performance and compatibility.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation
  • Addresses poor fuel economy caused by incorrect air measurement
  • Reduces engine stalling related to faulty airflow data
  • Improves throttle response and acceleration consistency
  • Supports emission system compliance by accurate air intake monitoring

Installation Notes and Tips

  • Ensure the engine is cool before installation to avoid injury
  • Disconnect the battery to prevent electrical shorts during replacement
  • Remove the old sensor carefully to avoid damaging the intake system
  • Install the Spectra MA342 sensor in the correct orientation for accurate readings
  • Clear any diagnostic trouble codes after installation to reset the ECU

Quality Assurance and Warranty

Manufactured to meet OEM standards, the Spectra MA342 Mass Air Flow Sensor undergoes rigorous quality control to ensure durability and performance. This sensor is backed by a limited warranty that covers defects in materials and workmanship, providing confidence in its reliability for your BMW 325i, 330Ci, M5, or X3.

This part fits 31 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010BMWM55.0LV10N/AMass Air Flow Sensor with integrated housing
2010BMWM65.0LV10N/ASensor Module w/Housing; with Emission Control
2009BMWM55.0LV10N/AMass Air Flow Sensor with integrated housing
2009BMWM65.0LV10N/AMass Air Flow Sensor with integrated housing
2008BMWM55.0LV10N/AMass Air Flow Sensor with integrated housing
2008BMWM65.0LV10N/ASensor Module w/Housing; with Emission Control
2007BMWM55.0LV10N/AMass Air Flow Sensor with integrated housing
2007BMWM65.0LV10N/ASensor Module w/Housing; with Emission Control
2006BMW325Ci2.5LL6N/ASensor Module w/Housing; with Emission Control
2006BMW330Ci3.0LL6N/ASensor Module w/Housing; with Emission Control
2006BMWM55.0LV10N/AMass Air Flow Sensor with integrated housing
2006BMWM65.0LV10N/AMass Air Flow Sensor with integrated housing
2006BMWX33.0LL6N/ASensor Module w/Housing; with Emission Control
2005BMW325Ci2.5LL6N/ASensor Module w/Housing; with Emission Control
2005BMW325i2.5LL6N/ASensor Module w/Housing; with Emission Control
2005BMW330Ci3.0LL6N/ASensor Module w/Housing; with Emission Control
2005BMW330i3.0LL6N/ASensor Module w/Housing; with Emission Control
2005BMW525i2.5LL6N/ASensor Module w/Housing; with Emission Control
2005BMW530i3.0LL6N/ASensor Module w/Housing; with Emission Control
2005BMWX33.0LL6N/ASensor Module w/Housing; with Emission Control
2004BMW325Ci2.5LL6N/ASensor Module w/Housing; with Emission Control
2004BMW325i2.5LL6N/ASensor Module w/Housing; with Emission Control
2004BMW330Ci3.0LL6N/ASensor Module w/Housing; with Emission Control
2004BMW330i3.0LL6N/ASensor Module w/Housing; with Emission Control
2004BMW525i2.5LL6N/ASensor Module w/Housing; with Emission Control
2004BMW530i3.0LL6N/ASensor Module w/Housing; with Emission Control
2004BMWX33.0LL6N/ASensor Module w/Housing; with Emission Control
2003BMW325Ci2.5LL6N/ASensor Module w/Housing; From 03/2003; with Emission Control
2003BMW325i2.5LL6N/ASensor Module w/Housing; From 03/2003; with Emission Control
2003BMW330Ci3.0LL6N/ASensor Module w/Housing; From 03/2003; with Emission Control
2003BMW330i3.0LL6N/ASensor Module w/Housing; From 03/2003; with Emission Control

* 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:

117214388142212055WK9639ZMA1122MAF1146MAF20292TMAS0285MF21205MF21205TMQ7390XTP450059

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