HFM Air Sensor, Bosch - F22 M235i, F3X 335i/435i, F87 M2

Air flow and temp sensor used by ECU to regulate fuel injection. OEM replacement for BMW part #13627612746.

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Price:
$189.99

The HFM on the F22 M235i, F30 335i, F32 435i, and F87 M2 is one of the critical sensors used by the engine computer to regulate fuel injection. The HFM on the N55 measures the volume as well as the temperature of the incoming intake air. Both measurements are key for the ECU to determine how much fuel to use. Data from the HFM is also used by the ECU to adapt to different driving conditions, fuel economy, and engine condition. The ECU will not be able to adapt if the HFM is not supplying data. If the HFM goes bad a check engine light will appear, along with a number of potential fault codes (system too lean/too rich, misfires, and fuel metering, and others).

This is an OEM N55 HFM manufactured by Bosch - the original supplier to BMW for this part, as well as many other engine components. As the OEM it meets all of BMW's original design, fitment, and performance requirements and is TUV approved. OEM parts are the best alternative to more expensive Original BMW parts because they are virtually identical without the inflated price tag. This part has a two year warranty.

BMW Fitments:
2 Series
F22 / F23 (2014-2021) > M235i
F22 / F23 (2014-2021) > M235i xDrive
F22 / F23 (2014-2021) > M235i-Racing
F22 / F23 (2014-2021) > M240i-Racing
2 Series
F87 (2016-2021) > M2 N55 (2016-2018)
3 Series
F30 / F31 / F34 (2012-2019) > 335i
F30 / F31 / F34 (2012-2019) > 335i xDrive
F30 / F31 / F34 (2012-2019) > Hybrid 3
4 Series
F32 / F33 / F36 (14-20) > 435i
F32 / F33 / F36 (14-20) > 435i xDrive
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