2 Piece Strut & Spring Assembly Set Kit Includes (1) Front Driver Side Strut & Spring Assembly (1) Front Passenger Side Strut & Spring Assembly Fitment Compatible with: 2004-10 BMW X3 Front Driver & Passenger Side Product Attributes Quantity: 2 Piece Product Features Loaded Struts: Pre-assembled application specific design Application Specific Design: No modifications necessary Matched Pair: Improved comfort and extended service life Restored Performance: Reduced body sway and vibration Item Details TRQ fully loaded shocks and struts are manufactured using premium raw materials and calibrated to restore original ride comfort. TRQ shocks are fully loaded featuring a pre-loaded bearing plate, upper and lower spring isolator, upper spring seat, coil spring, boot kit, and premium strut. TRQ recommends replacing your shocks or struts in pairs to ensure even wear of components and improved ride comfort. All products are fit and road-tested in our Massachusetts R&D facility to ensure we deliver on our promise of Trusted Reliable Quality. Reference Numbers Hollander: 527-60455R, 527-60473L KYB: SR4673, SR4674 Sensen: 9214-0355, 9214-0356 Unity Automotive: 13221, 13222 Direct Fit, OE Replacement Suspension Strut and Coil Spring Kit Vehicle Specific: Check fitment information in the listing for compatibility Aftermarket Reference Number(s): 13221,13222,SCA30525,SCA30526,SR4673,SR4674