Dinan D100-0911 Performance Coil Spring Set Fits 13-18 328i xDrive 330i xDriveCoil Spring Set Performance Coil Spring Set Performance Coil Spring Set; 1 in. Front And Rear Lowering; SPECIFICATIONS: Color: Black Position: N A WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov FEATURES: Provides Greater Control Over Body Roll w Calibrated Spring Rates Improves Suspension Geometry And Even More Aggressive Stance CNC Wound w High Tensile Chrome Silicon