HomeEmission Control > SensorsStandard Ignition MAS0366 Mass Air Flow Sensor
Part #: MAS0366

Standard Ignition MAS0366 Mass Air Flow Sensor

⚙️ 19 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 540i, 740i, 740iL, and 840Ci
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Overview of Standard Ignition MAS0366 Mass Air Flow Sensor

The Standard Ignition MAS0366 Mass Air Flow Sensor is designed for precise air measurement in select BMW models. This sensor ensures accurate air intake readings, contributing to optimal engine performance and emission control.

  • Compatible with BMW 540i, 740i, 740iL, and 840Ci models
  • Complete assembly with housing included
  • Snap fit attachment method for secure installation
  • Female round connector with one connection point
  • Four bolt holes for stable mounting
  • Durable plastic construction
  • Four male bullet-type terminals for reliable electrical connection

Detailed Product Description

The Standard Ignition MAS0366 is a mass air flow sensor engineered to provide accurate airflow data to the engine control unit in BMW 540i, 740i, 740iL, and 840Ci vehicles. Featuring a snap fit attachment method, this sensor allows for straightforward installation without compromising stability. The sensor includes a complete housing, protecting sensitive components from environmental factors. Its female round connector with a single connection point and four male bullet terminals ensure a secure and consistent electrical interface. The four bolt holes facilitate a firm and precise mounting, reducing the risk of sensor misalignment or vibration.

Common Applications and Issues Addressed

  • Helps resolve engine performance problems related to inaccurate air intake measurement
  • Addresses rough idling and hesitation during acceleration
  • Improves fuel efficiency by providing precise airflow data
  • Reduces emission control system errors and check engine light triggers
  • Supports proper air-fuel mixture for smoother engine operation

Installation Notes and Tips

  • Ensure the sensor is securely snapped into place using the snap fit method
  • Verify the connector is properly aligned and fully engaged with the female round connector
  • Use the four bolt holes to firmly mount the sensor, avoiding over-tightening
  • Handle the plastic housing carefully to prevent damage during installation
  • Consult the vehicle’s service manual for specific torque specifications and sensor location

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The MAS0366 mass air flow sensor undergoes rigorous quality control testing to maintain consistent functionality. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandStandard Ignition
Part NumberMAS0366
Attachment MethodSnap Fit
Connector GenderFemale
Connector ShapeRound
Housing IncludedYes
MaterialPlastic
NotesComplete Assembly
Number of Bolt Holes4
Terminal GenderMale
Terminal TypeBullet

This part fits 19 vehicles. Search below:

YearMakeModelPositionNotes
1998BMW540iN/A
1998BMW740iN/A
1998BMW740iLN/A
1997BMW540iN/A
1997BMW740iN/A
1997BMW740iLN/A
1997BMW840CiN/A
1996BMW740iLN/A
1996BMW840CiN/A
1995BMW540iN/A
1995BMW740iN/A
1995BMW740iLN/A
1995BMW840CiN/A
1994BMW540iN/A
1994BMW740iN/A
1994BMW740iLN/A
1994BMW840CiN/A
1993BMW740iN/A
1993BMW740iLN/A

* 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:

028021780013621468625158-10731MF3892-14712221153245-114774-10010917-874AF10225DL-3041MA112MA1198V20-72-5147

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