Description:

FITMENT - 2003-2006 for BMW 325Ci 2.5L,2002 2004-2005 for BMW 325i 2.5L,2004-2005 for BMW X3 2.5L,2003-2005 for BMW Z4 2.5L,2003-2005 for BMW Z4 3.0L. EASY to INSTALL and CLEAN - Disconnect the negative side of the battery, then loosen a couple band clamps and disconnect the harness. Pull out your old unit and re-insert new one, tighten band clamps, re-connect harness and negative battery terminal. HOW to WORK - Mass Air Flow Meter AFM Sensor measures the volume and density of air entering the engine, providing highly accurate Air Flow readings to the ECU over a wide range of ambient temperatures..