Bilstein B4 Rear Shock for BMW 3 Series Cabrio (E46) M3 3.2 (252 kW)
BMW 3 Series Cabrio (E46) M3 3.2 (252 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 252 kW.