Lowering springs X1 XDRIVE 20i/25 mm. Made in highquality silicone steel with High quality Epoxi coating to stand salt and other woundsi/18D/23D/25 mm. Made in highquality silicone steel with High quality Epoxi coating to stand salt and other woundsD (NOT FOR SDRIVE) lowers 30 mm. Made in highquality silicone steel with High quality Epoxi coating to stand salt and other wounds