H&R 12-15 BMW 320i Sedan/328i Sedan/335i Sedan F30 Sport Spring Drivetrain>Diff Rebuild Kits Factory valve behavior and interior

Factory valve behavior and interior control via Drive Select is retained

This Split Rear Exhaust exits straight out the back

polyurethane bushings

All this is backed by our unsurpassed Million Mile Warranty

H&R 12-15 BMW 320i Sedan/328i Sedan/335i Sedan F30 Sport Spring Drivetrain>Diff Rebuild Kits Factory valve behavior and interiorSport 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