With its 2 Ohms impedance, it perfectly associates with the FIT 9.660 amplifier/DSP. Car Make / ModelYearNotesBMW 1 Series2007 – 2013E82 CoupeBMW 3 Series2005 – 2012E91 TouringBMW 5 Series2004 – 2010E60 SedanBMW 5 Series2010 – 2016F10 SedanBMW 6 Series2011 – 2017F13 ConvertibleBMW 6 Series2017 OnwardsG32 Gran TurismoBMW 7 Series2015 OnwardsG11 SedanBMW 7 Series2008 – 2015F01 SedanBMW X32010 – 2017F25 SUVBMW Z42009 – 2016E89 Convertible Coupe.