The ultimate driving machine deserves nothing but the best! At ISC we offer a solution for most BMW models. From E30 coilovers, E36 suspension, E60 suspension to Z3/Z4 suspension, and even E90 suspension, you are sure to find an ISC suspension system for your BMW. All BMW coilovers come with a 32 way adjustable damping that is rebound and compression in unison via 32 step adjustment. Our springs are made from high quality SAE9254 Steel. They are dyno tested over 500,000 times on a compression inspection with less than 5% deformation. Each suspension set is ISO9001:2000R Certified as well as ARTC Certified. Browse our solutions below.