BMW 2005-2011 645Ci Convertible E64 H&R Sport Springs Front: 1.4in Rear: 1.3in Weight: 8 Fitment: AUDI 2010 - 2014 A8 QUATTRO w/ air suspension 2010 - 2014 A8 QUATTRO L w/ air suspension 2010 - 2014 A8 QUATTRO L W12 w/ air suspension 2014 - 2015 RS7 w/ air suspension 2012 - 2015 S6 w/ air suspension 2012 - 2015 S7 w/ air suspension 2012 - 2014 S8 w/ air suspension