The Hotchkis rear sport sway bar for 2001–2006 BMW M3 is a lightweight 1 in. (25mm) tubular bar with two-position adjustment that increases roll stiffness by approximately +79% or +105% versus stock. The kit includes rear end links, greasable bushings and a durable powder-coat finish, offering multiple tuning rates to reduce understeer and improve turn-in feel for enthusiastic street or track use.
Hotchkis 99+ E46 BMW M3 Rear Swaybar