Description:

FITMENT - 1994-1995 for BMW 540i 4.0L,1997-1998 for BMW 540i 4.4L,1993-1995 for BMW 740i 4.0L,1997-1998 for BMW 740i 4.4L,1993-1995 for BMW 740iL 4.0L,1996-1998 for BMW 740iL 4.4L,1994 for BMW 840Ci 4.0L,1995 for BMW 850Ci 5.4L. 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..