H&R 60mm ID Single Race Spring Length 100mm Spring Rate 70 N/mm or 400 lbs/inch - RF100070 fits_2015-2020`BMW`4 Series Not Recommended For Vehicles Equipped

Not Recommended For Vehicles Equipped With Air Suspension

Available in five slick anodized finishes

our system is a complete

features our Patended filter-to-housing interface

The cradle keeps the air bag in place but detached from the lower bracket

H&R 60mm ID Single Race Spring Length 100mm Spring Rate 70 N/mm or 400 lbs/inch - RF100070 fits_2015-2020`BMW`4 Series Not Recommended For Vehicles EquippedH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and