Bilstein B8 Performance Plus dampers are a performance upgrade to OE dampers designed to be paired with aftermarket lowering springs. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B8 Performance Plus dampers are the ideal solution for pairing with a lowering spring for improved handling and sportier look with the added benefit of world-famous Bilstein quality. BMW 320i 2005-2001; 323Ci 2000; 323i 2000-1999; 325Ci 2006-2001; 325i 2005-2001; 328Ci 2000; 328i 2000-1999; 330Ci 2006-2001; 330i 2005-2001 BMW 320i 2005-2001, 323Ci 2000, 323i 2001-1999, 325Ci 2006-2001, 325i 2005-2001, 328Ci 2000, 328i 2000-1999, 330Ci 2006-2001, 330i 2005-2001