H&R 03-08 BMW Z4 E85 Sport Spring s13 coolant temperatures are key to

coolant temperatures are key to a reliable

mandrel-bent construction provides optimal flow and excellent appearance

non-marring locking tool to protect your wheels without damaging the finish

and meticulous manufacturing are critical elements to creating our incredibly robust products

By changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste

H&R 03-08 BMW Z4 E85 Sport Spring s13 coolant temperatures are key toSport 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