DELPHI Mass Air Flow Sensor AF10639-12B1

Compatible with BMW 3 Touring (E91) , BMW 3 (E90) , BMW 3 Coupe (E92) Show more info
This DELPHI Mass Air Flow Sensor (AF10639-12B1) ensures accurate air intake measurement for optimal engine performance.
112.10 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (15.05.2026)
PN AF10639-12B1
Make DELPHI
EAN 5012759544136

The DELPHI Mass Air Flow (MAF) Sensor is a critical component for your vehicle's engine management system. It precisely measures the amount of air entering the engine, providing essential data to the Engine Control Unit (ECU). Accurate air flow readings allow the ECU to calculate the correct amount of fuel to inject, leading to improved fuel efficiency, reduced emissions, and smoother engine operation. A malfunctioning MAF sensor can cause a range of issues, including poor acceleration, rough idling, and increased fuel consumption. This AF10639-12B1 sensor is designed to meet or exceed OE specifications, ensuring reliable and consistent performance. Trust DELPHI for quality components that keep your engine running at its best.

  • Direct fit for easy installation
  • Measures air flow accurately for optimal engine performance
  • Contributes to improved fuel economy
  • Helps reduce harmful emissions
  • Ensures smooth engine idling and acceleration
  • Durable construction for long-lasting reliability
  • Manufactured by DELPHI, a trusted name in automotive parts
Housing type
with housing
Number of pin contacts
5
Type of connector
Connector plug
Voltage [V]
1/2"
recommended repair extension
Air filter
  • BMW
    • 3 Touring (E91)
      • 318 d (100kW/136PS)
      • 316 d (85kW/116PS)
      • 320 d (120kW/163PS)
      • 318 d (105kW/143PS)
      • 320 d (130kW/177PS)
      • 320 d xDrive (130kW/177PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
      • 320 d xDrive (120kW/163PS)
      • 320 d (147kW/200PS)
      • 320 d (145kW/197PS)
      • 320 d xDrive (147kW/200PS)
      • 320 d xDrive (145kW/197PS)
    • 3 (E90)
      • 318 d (100kW/136PS)
      • 320 d xDrive (120kW/163PS)
      • 320 d (120kW/163PS)
      • 318 d (105kW/143PS)
      • 320 d (130kW/177PS)
      • 320 d xDrive (130kW/177PS)
      • 316 d (85kW/116PS)
      • 320 d (135kW/184PS)
      • 320 d xDrive (135kW/184PS)
    • 3 Coupe (E92)
      • 320 d (130kW/177PS)
      • 320 d xDrive (130kW/177PS)
      • 320 d xDrive (135kW/184PS)
      • 320 d (135kW/184PS)
      • 320 d (120kW/163PS)
      • 320 d (147kW/200PS)
      • 320 d (145kW/197PS)
      • 320 d xDrive (147kW/200PS)
      • 320 d xDrive (145kW/197PS)
    • 3 Kabriolets (E93)
      • 320 d (130kW/177PS)
      • 320 d (135kW/184PS)
      • 320 d (120kW/163PS)
      • 320 d (147kW/200PS)
      • 320 d (145kW/197PS)
    • X1 (E84)
      • sDrive 18 d (105kW/143PS)
      • xDrive 18 d (105kW/143PS)
      • xDrive 20 d (130kW/177PS)
      • sDrive 20 d (130kW/177PS)
      • xDrive 20 d (120kW/163PS)
      • sDrive 20 d (120kW/163PS)
      • sDrive 18 d (100kW/136PS)
      • xDrive 18 d (100kW/136PS)
      • xDrive 25 d (160kW/218PS)
      • sDrive 16 d (85kW/116PS)
      • xDrive 20 d (135kW/184PS)
      • sDrive 20 d (135kW/184PS)
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