DTA 40359 Shocks Struts Full Set for 4 corners of the vehicle (pack of 4 pcs) BMW 325I 328I 330I 335I 335IS, Springs not Included Made to OE quality standards and performance High corrosion resistance and long service life Teflon bonded piston seal to keep friction down and temperature cooler so that valving stays firmer All-around welding on the spring seat instead of spot welding OE quality piston by NOK , ensuring product quality and durability