Hot Film Mass Air Meter (HFM), Bosch - F22, F30, F32, F10, M2, M3, M4, M5, M6, X5, X6, Z4

Genuine BMW replacement HFM for N20 turbo 4-cylinder (228i/328i/428i/528i X3/X4), S55 twin-turbo 6-cylinder (M2/M3/M4), and S63TU twin-turbo V8 (M5/M6/X5M/X6M).

The airflow sensor or HFM (Hot Film Meter) is hugely important in the performance and fuel economy of the engine. Faulty airflow sensors usually cause rough running, poor idle, lack of performance, misfires, and higher fuel consumption. There may also be fault codes and check engine lights for air:fuel mixture, lean conditions, rich conditions, misfires, and others.

This is an OEM N20, S55, and S63TU manufactured by Bosch - the original supplier to BMW for this part, as well as many other sensors. 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+) > 228i
F22 / F23 (2014+) > 228i xDrive
2 Series
F87 (2016+) > M2 Competition S55 (2019+)
3 Series
F30 / F31 / F34 (2012-2019) > 320i
F30 / F31 / F34 (2012-2019) > 320i xDrive
F30 / F31 / F34 (2012-2019) > 328i
F30 / F31 / F34 (2012-2019) > 328i xDrive
3 Series
F80 (2015-2018) > M3 (2015-2018)
4 Series
F32 / F33 / F36 (14-20) > 428i
F32 / F33 / F36 (14-20) > 428i xDrive
4 Series
F82 / F83 (2015-2020) > M4 (2015-2020)
5 Series
F10 / F11 (11-16) > 528i N20 (2012-2016)
F10 / F11 (11-16) > 528i xDrive N20 (2012-2016)
F10 / F11 (11-16) > M5 (2013-2016)
6 Series
F12 / F13 (12-18) > M6
X1 Series
F48 X1 (2016+) > X1 28i
F48 X1 (2016+) > X1 28i xDrive
X3 Series
F25 X3 (2011-2017) > X3 sDrive28i
F25 X3 (2011-2017) > X3 xDrive28i
X4 Series
F26 X4 (2015-2018) > X4 28i xDrive
Z Series
E89 Z4 (2009-2016) > Z4 sDrive28i