Coilovers Suspension Kits compatible for BMW E90 E91 3-Series 2006 2007 08-13 High QualityApplication Compatible for BMW 3 Series(E90 E91)(RWD) Sedan Wagon 2006 2013 Not compatible for BMW 325i2006 Specification Quantity: 2 pieces front + 2 pieces rear Spring rate Front: 10 kg mm (560 lbs in) Spring rate Rear: 8 kg mm (448 lbs in) Adjustable Damper: Non adjustable Damper Adjustable height: Yes Adjustable camber plate: No Color: Golden Warranty: one year warranty for any manufacturing defect Feature Able to lower ride height by 1'' 3'';