Hotchkis rear anti-roll bar for the E46 M3. The perfect way to reduce body roll, reduce understeer, increase grip and increase adjustability on your M3. This comprehensive kit includes greasable bushings, brackets, hardware, adjustable rear droplinks and the rear anti-roll bar. Fits Coupe and Convertible models. 

Rear diameter: 25mm, 2-step adjustable (+79% and +105% over stock)