H&R 04-06 BMW 545i E60 Sport Spring (w/Self Leveling) - 29255-4 fits_1997-2013`Chevrolet`Corvette All of the CNC-machined couplers

All of the CNC-machined couplers also feature a double o-ring design to prevent air pockets from entering the cooling system

accurate filling and monitoring of fluid levels

Improved Flow And Durability

aFe POWER engineers spent countless hours and created multiple 3D printed prototypes to guarantee perfect fitment while producing maximum power

Fits MK3 MA70 Chassis Only

H&R 04-06 BMW 545i E60 Sport Spring (w/Self Leveling) - 29255-4 fits_1997-2013`Chevrolet`Corvette All of the CNC-machined couplersSport 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