One car can be installed with four (two sets), buying two sets is more favorable (2003-2008) Z-series E85 / E86 Z4 (2009-2013) Z-series E89 Z4 (2000-2003) Z8-series E52 (2014-2019) X1-series E84 (2005-2019) X3-series E83 (2007-2019) X5-series E70 F15 (2008-2019) X6-series E71/E72 F16 (2010-2015) GT series (2007-2019) 1-series E81/E82/E87/E88 (2006-2012) 3-series E90 sedan (325i, 325xi, 328i, 328i xDrive, 328xi, 330i, 330xi, 335d, 335i, 335i xDrive, 335xi) (2005-2019) 3-series E91 5-door touring (2005-2019) 3-series E92 coupe (328i, 328i xDrive, 328xi, 335i, 335i xDrive) (2005-2019) 3-series E90 E92 E93 M3 (2005-2019) 3-series E93 convertible (328i, 335i, 335is) (2013-2019) 3-series F30 (2004-2009) 5-series E60 sedan (525i, 525xi, 528i, 528xi, 530i, 530xi, 535i, 535xi, 545i, 550i) (2006-2010) 5-series E61 touring (530xi, 535xi) (2006-2010) 5-series E60/E60N/E61/E61N (2006-2019) 5-series M5 (2010-2019) 5-series-GT F07 (2011-2019) 5-series F10 / F11 (528i, 535i, 535i xDrive, 550i, 550i xDrive) (2011-2014) 5-series F18 Long wheel base sedan (2009-2014) 5-series Gran Turismo F07 (2007-2019) 6-series E63 coupe / E64 convertible (645Ci, 650i, M6) (2011-2014) 6-series F13 coupe / F12 convertible (640i, 650i, M6) (2003-2008) 7-series E65 / E66 / E67 / E68 (745i, 745Li, 750i, 750Li, 760i, 760Li, B7 ALPINA) (2009-2019) 7-series F01 / F02 / F03 / F04 (740i, 740Li, 750i, 750i xDrive, 750Li, 750Li xDrive, 760Li, B7 ALPINA, B7L ALPINA)