Mass Air Flow Sensor

Compatible with BMW 5 (E39) , BMW 5 Touring (E39) , BMW X5 (E53) Show more info
Measures the amount of air entering the engine to optimize fuel injection. Ensures efficient engine performance and fuel economy.
61.01 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (15.05.2026)
PN AF10387-12B1
Make DELPHI
EAN 5012759601419

This Mass Air Flow (MAF) sensor from DELPHI is designed to accurately measure the volume and density of air entering your engine. By providing this critical data to the engine control unit (ECU), it allows for precise adjustments to the fuel-air mixture. Proper functioning of the MAF sensor is essential for maintaining optimal engine performance, fuel efficiency, and reducing emissions. A faulty sensor can lead to various drivability issues, including rough idling, poor acceleration, and increased fuel consumption. DELPHI's commitment to quality ensures that this AF10387-12B1 sensor meets stringent manufacturing standards, offering reliable and consistent performance for your vehicle. Installation is straightforward, replacing your old sensor to restore proper engine operation.

  • Direct fit for easy installation
  • Accurate air flow measurement
  • Optimizes fuel-air mixture
  • Improves engine performance
  • Enhances fuel economy
  • Reduces harmful emissions
  • High-quality construction by DELPHI
  • Part code: AF10387-12B1
Housing type
without housing
Number of pin contacts
5
Type of connector
Connector plug
Voltage [V]
1/2"
recommended repair extension
Air filter
  • BMW
    • 5 (E39)
      • 540 i (210kW/286PS)
    • 5 Touring (E39)
      • 540 i (210kW/286PS)
    • X5 (E53)
      • 4.4 i (210kW/286PS)
      • 4.6 is (255kW/347PS)
      • 4.4 i (235kW/320PS)
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