DELPHI AF10638-12B1 Mass Air Flow Sensor

Compatible with BMW 3 Kabriolets (E93) , BMW 3 (E90) , BMW 3 Touring (E91) Show more info
This DELPHI Mass Air Flow Sensor is designed to accurately measure the amount of air entering your engine, ensuring optimal fuel mixture and performance.
167.22 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (15.05.2026)
PN AF10638-12B1
Make DELPHI
EAN 5012759544129

The DELPHI AF10638-12B1 Mass Air Flow (MAF) sensor is a critical component for modern engine management systems. It precisely quantifies the volume and density of incoming air, providing essential data to the engine control unit (ECU). By accurately measuring airflow, the ECU can then calculate the precise amount of fuel to inject for combustion. This leads 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, increased fuel consumption, and check engine lights. This sensor is engineered to meet or exceed original equipment specifications, ensuring reliable and consistent performance. Its robust construction is designed to withstand the harsh under-hood environment, providing long-lasting durability. Installation is straightforward, designed as a direct replacement for the original part.

  • Direct replacement for original equipment
  • Ensures accurate air intake measurement
  • Optimizes fuel injection for better performance
  • Improves fuel economy
  • Helps reduce exhaust emissions
  • Contributes to smoother engine operation
  • Durable construction for longevity
  • Easy installation
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 Kabriolets (E93)
      • 325 d (150kW/204PS)
      • 330 d (180kW/245PS)
    • 3 (E90)
      • 330 d (180kW/245PS)
      • 330 d xDrive (180kW/245PS)
      • 325 d (150kW/204PS)
    • 3 Touring (E91)
      • 330 d (180kW/245PS)
      • 330 d xDrive (180kW/245PS)
      • 325 d (150kW/204PS)
    • 3 Coupe (E92)
      • 330 d (180kW/245PS)
      • 330 xd (180kW/245PS)
      • 330 d xDrive (180kW/245PS)
      • 325 d (150kW/204PS)
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