Bilstein B4 Rear Shock for BMW 3 Series Cabrio (E30) 325 i (125 kW)
BMW 3 Series Cabrio (E30) 325 i (125 kW). Bilstein B4 Shock Absorbers - the original mono-tube gas pressurised shock absorbers. The benefits of Bilstein B4 at a glance Suits Models with a Power Level of 125 kW.