FITMENT - 2004-2013 for Audi A3 2.0L,2006-2013 for Audi A3 Quattro 2.0L,2007-2010 for Audi TT 2.0L,2006-2013 2015 for Seat Leon 2.0L,2007-2015 for Volkswagen Eos 2.0L,2006-2010 for Volkswagen for Passat 2.0L. 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..
