Solo Werks S1 Coilover System - F-Series Premium Entry Level Coilover Suspension! Features: Heavy Gold Zinc Plated Housings for superb corrosion resistance Large 20mm Damper Shafts New Progressive elastomer bumpstops Black spring perches - Platform Specific Spring Rates and Matched Valving Front 40-65mm(1.6-2.5") Lowering Range Rear 30-60mm (1.2"-2.4") Lowering Range 3 year Limited Warranty Each Kit Contains: 2x Front threaded coilover dampers 2x Front Spring 2x Rear (Twin-Tube Design) dampers 2x Rear adjustable spring perches 2x Rear spring (Progressive rate) Spanner wrenches Step by Step Installation Instructions 1oz. Bottle Boeshield T-9 Lubricant/Protection * A 5mm (min) front wheel spacer may be necessary depending on wheel size and offset *All lowering ranges are approx. and will varying depending on mileage, condition, vehicle options. Application / Fitments: '12-'17 BMW F20/F21 - 3dr / 5dr RWD Inc M235i w/o EDC '14-'17'BMW F22 - Coupe / 228i / Inc M235i w/o EDC '12-'17 BMW F30 - Sedan 335i RWD w/o EDC '14-'17 BMW F32 - Coupe RWD w/o EDC Does Not Fit XI (AWD) Models INSTALLATION INSTRUCTIONS: