TOPRAN 501 506 Mass Air Flow Sensor

Compatible with BMW 3 Touring (E36) , BMW 3 (E36) , BMW 3 Coupe (E36) Show more info
Measures the amount of air entering the engine for optimal fuel mixture. Ensures efficient combustion and performance.
39.68 EUR
inc. VAT 21%
In stock 6
Delivery 1 day (15.05.2026)
PN 501 506
Make TOPRAN

The TOPRAN 501 506 Mass Air Flow (MAF) Sensor is a critical component for your vehicle's engine management system. It accurately measures the volume and density of air entering the engine, providing essential data to the Engine Control Unit (ECU). This precise measurement allows the ECU to calculate the correct amount of fuel to inject, ensuring an optimal air-fuel ratio. This leads to improved engine performance, better fuel economy, and reduced emissions. A malfunctioning MAF sensor can cause rough idling, poor acceleration, increased fuel consumption, and even engine stalling. Crafted with quality materials, the TOPRAN 501 506 is designed for durability and reliable performance. Replacing a faulty MAF sensor with this unit can restore your engine's smooth operation and efficiency. It is a direct fit for compatible models, simplifying the installation process.

  • Accurately measures airflow into the engine
  • Essential for optimal air-fuel ratio calculation
  • Improves engine performance and fuel efficiency
  • Helps reduce harmful emissions
  • Restores smooth engine operation
  • Durable construction for long-lasting use
  • Direct fit for compatible vehicles
  • Restores proper engine function
Housing type
with housing
Number of pin contacts
4
Plug connector housing shape
round
Housing material
Plastic
recommended repair extension
Air filter
  • BMW
    • 3 Touring (E36)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
    • 3 (E36)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
    • 3 Coupe (E36)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
    • 3 Kabriolets (E36)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
    • 5 (E39)
      • 523 i (125kW/170PS)
      • 528 i (142kW/193PS)
    • 7 (E38)
      • 728 i, iL (142kW/193PS)
    • 5 Touring (E39)
      • 523 i (125kW/170PS)
      • 528 i (142kW/193PS)
    • 3 Compact (E36)
      • 323 ti (125kW/170PS)
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