Solo Werks S1 Coilover System - E90 3 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 - double lock ring design Platform Specific Spring Rates and Matched Valving Front 30-60mm(1.6-2.4") Sedan Lowering Range Rear 22-55mm (1.0-2.2") Sedan Lowering Range 3 year Limited Warranty Each Kit Contains: 2x Front threaded coilover dampers (w/ Dual locking ring spring perches) 2x Front Spring 2x Rear (Twin-Tube Design) dampers 2x Rear adjustable spring perches 2x Rear spring (Progressive Rate) 2x Spanner wrenches Step by Step Installation Instructions 1oz. Bottle Boeshield T-9 Lubricant/Protection Application / Fitments: BMW '06-'11 E90 Sedan All engines (2wd only) BMW '06-'13 E92 Coupe All engines (2wd only) BMW '07-'13 E81/E82/E87 Coupe, 3-Door, 5-Door * A 5mm (min) front wheel spacer may be necessary depending on wheel size and offset Does Not Fit M Models Does Not Fit XI (AWD) Models INSTALLATION INSTRUCTIONS: *All lowering ranges are approx. and will varying depending on mileage, condition, vehicle options.