Air Mass Sensor / HFM, OEM - 2003+ E46 330i, X3 3.0, Z4 3.0

OEM air flow sensor restores peak engine performance. Replacement for BMW part #13627566983. For cars produced after 3/2003.

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OEM replacement HFM for 2004+ E46 330i, E83 X3 3.0, and E85 Z4 3.0. Also fits the 2004-2005 E46 325i with M56 SULEV engine. 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 M54 HFM manufactured by Continental VDO - the original supplier to BMW for this part, as well as many other engine and transmission mounts. 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.

Application Note for E46 330i: fits models from 3/2003 and later, ZHP models. These are cars with MS45 electronics.

Application Note for E46 325i: fits models with M56 SULEV engine only.

BMW Fitments:
3 Series
E46 (99-05) > 325Ci
E46 (99-05) > 325i
E46 (99-05) > 330Ci
E46 (99-05) > 330i
E46 (99-05) > 330xi
X3 Series
E83 X3 (04-10) > X3 3.0i M54 (2004-2006)
Z Series
E85 / E86 Z4 (03-08) > Z4 3.0i M54
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