HomeEmission Control > SensorsKarlyn 30173 Mass Air Flow Sensor
Part #: 30173

Karlyn 30173 Mass Air Flow Sensor

Bremi
16 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Bremi
Fitment: BMW, 325i, 325is, 525i, 530i, M3, and 525iT
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Reliable Mass Air Flow Sensor for BMW Models

The Karlyn Bremi Mass Air Flow Sensor 30173 is designed to provide accurate airflow measurement for BMW vehicles. This sensor supports optimal engine performance and emissions control in select BMW models including the 325i, 325is, 525i, 525iT, 530i, and M3.

  • Compatible with BMW 325i, 325is, 525i, 525iT, 530i, and M3 models
  • Part number 30173 ensures precise fit and function
  • Part of the Bremi product line, known for quality emission control components
  • Measures mass air flow to optimize fuel injection and engine efficiency
  • Direct replacement sensor for emission control systems

About the Bremi Product Line

The Bremi brand line specializes in emission control sensors and components designed to meet OEM specifications. The Bremi Mass Air Flow Sensor 30173 is engineered to maintain accurate airflow readings, which are critical for engine management systems in BMW vehicles. This product line focuses on delivering reliable sensor performance to support emission standards and engine efficiency.

Product Description and Function

The Karlyn Bremi Mass Air Flow Sensor 30173 plays a vital role in measuring the amount of air entering the engine intake. This data is essential for the engine control unit (ECU) to calculate the correct fuel injection volume, ensuring efficient combustion and reduced emissions. Compatible with BMW 3 Series and 5 Series models such as the 325i, 325is, 525i, 525iT, 530i, and the M3, this sensor helps maintain engine responsiveness and fuel economy.

Common Issues Addressed by This Sensor

  • Engine stalling or rough idling due to incorrect air-fuel mixture
  • Reduced fuel efficiency and increased emissions
  • Check engine light triggered by faulty airflow readings
  • Poor acceleration or hesitation during throttle response
  • Failed emissions tests related to air intake measurement

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled before installation
  • Disconnect the battery to prevent electrical shorts
  • Locate the existing mass air flow sensor on the air intake system
  • Remove the old sensor carefully to avoid damage to connectors
  • Install the Karlyn Bremi 30173 sensor securely and reconnect wiring
  • Clear any diagnostic trouble codes after installation

Quality Assurance and Warranty

The Karlyn Bremi Mass Air Flow Sensor 30173 is manufactured to meet strict quality standards for emission control sensors. While specific warranty details are not provided, Bremi products typically undergo rigorous testing to ensure durability and reliable performance in BMW vehicles. For warranty information, refer to the product documentation or contact the supplier.

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1995BMW325iN/ABremi
1995BMW325isN/ABremi
1995BMW525iN/ABremi
1995BMW530iN/ABremi
1995BMWM3N/ABremi
1994BMW325iN/ABremi
1994BMW325isN/ABremi
1994BMW525iN/ABremi
1994BMW530iN/ABremi
1993BMW325iN/ABremi
1993BMW325isN/ABremi
1993BMW525iN/ABremi
1993BMW525iTN/ABremi
1992BMW325i2.5LL6N/AMade On Or After 9/1/92; Bremi
1992BMW325is2.5LL6N/AMade On Or After 9/1/92; Bremi
1992BMW525i2.5LL6N/AMade On Or After 9/1/92; Bremi

* 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:

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