By far most popular spring in H&R's line-up, H&R Sport Springs for BMW will lower your 325, 328, 330, or 335 an average of 1.3 inches front and 1.2 inches rear (see details below) for a lower center of gravity, improved handling and a more aggressive appearance. H&R Sport Lowering Springs the BMW E90, E91, E92 & E93 3 Series Feature:More control than that of the OE BMW SpringReduced body roll, improved aerodynamicsComfortable enough for daily useDesigned for use with OEM Shocks/Struts100% German MadeISO9001 Certified Production FacilityH&R Sport Springs for your E9X 3 Series are an excellent choice for street and occasional track use. Need an Installer? The Tire Rack's List of Recommended Installers are a great installation option. You can drop-ship to their location, too!