By YOUCANIC on Nov 29, 2018
In this guide, you will find instructions on how to change the Mass Air Flow (MAF) sensor on a 2004-2013 BMW 3-Series. The mass air flow sensor is held in place with two screws and is very straightforward to replace. The sensor itself is located near the air filter housing on the driver's side of the engine.
This guide applies to BMW E90 E91 E92 E93 manufactured from 2004-2013.
Open the hood of your BMW. The hood release is located under the dashboard on driver's side.
Locate the mass air flow sensor on your BMW 3-Series The sensor is located near the engine air filter housing. Driver's side.
Unplug the electrical connector from your BMW mass air flow sensor.
Remove the screws that hold the mass air flow sensor in place. These are Torx screws.
Install the new MAF on your BMW. Tight the screws so that they are snug. Plug the electrical connector until it locks in place.