H&R 03-08 BMW Z4 E85 Sport Spring s13 urethane couplers and all hardware

urethane couplers and all hardware necessary for an easy installation

Our classic S-Type sound level delivers an authoritative

increased power

This system is constructed of 1-7/8 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability

aggressive intake tone under acceleration amplifies the driving experience

H&R 03-08 BMW Z4 E85 Sport Spring s13 urethane couplers and all hardwareSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's