Description:

FITMENT - 1999-2003 for BMW 540i 4.4L,1999-2001 for BMW 740i 4.4L,1999-2001 for BMW 740iL 4.4L,2000-2006 for BMW X5 4.4L,2002-2003 for BMW X5 4.6L,2003-2004 for Land Rover Range Rover 4.4L. 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..