Bosch Intake Air Temperature Sensor – 0280130039

BMW M57N2 Conversion sensor  with tread .This is a direct fit and will plug into your factory harness, its to be plumbed into the intake AFTER the intercooler.

Quick Info

Genuine Bosch intake air temperature (IAT) sensor used in custom and OEM intake systems.
Measures incoming air temperature for accurate ECU fuel and boost calculations. 

Description

Bosch 0280130039 is an NTC-style intake air temperature sensor commonly used in performance, motorsport and diesel intake applications.

The sensor measures incoming air temperature and sends data to the ECU for:

• Fuel correction
• Boost compensation
• Intake temperature monitoring
• Intercooler efficiency calculations

Commonly installed:

• Intake manifold
• Charge pipe
• Airbox
• Intercooler piping

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Fitment

Universal / custom applications

Often used on:

• M57 / M57N / M57N2
• N57
• N47
• Standalone ECU setups

⚠️ Mostly used in modified or custom intake systems rather than direct OEM BMW replacement setups.

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Part Numbers

• Bosch: 0280130039
• Bosch: 0 280 130 039

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Technical Details

• Type: Intake air temperature sensor (IAT)
• Sensor type: NTC thermistor
• Temperature range: -40°C to 140°C
• Thread size: M12 x 1.5
• Connector: Bosch Jetronic 2-pin

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Notes

• Common in motorsport and custom ECU applications
• Suitable for intake air measurement only
• OEM Bosch quality and accuracy

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Important

❗ Universal sensor — not vehicle-specific
❗ Connector may need to be purchased separately
❗ Not a coolant temperature sensor in BMW OEM applications

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Common uses

• Custom intake setups
• Front mount intercooler conversions
• Standalone ECU tuning
• Intake air temp logging

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Fitment Summary

✔️ Universal Bosch IAT sensor
✔️ M57 / N57 / N47 custom setups
✔️ Motorsport & standalone ECU applications
❌ Not a direct OEM plug-and-play BMW sensor in most cases