H&R Sport Spring Kit | BMW 640i xDrive Gran Turismo (18-19) (28721-4)H&R Sport Springs for your 2018 2019 BMW 640i Gran Turismo AWD w Adaptive Suspension (G32) 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