ECS Tuning Delrin RTAB limiters for E36 M3, E46 3 Series and E85/E86 Z4. Bolt-on set of four prevents rear toe shift under load, sharpening cornering response and bump absorption.
Designed for OEM rubber bushings only - not compatible with polyurethane
Made in the USA from noise-resistant Delrin for fast-road precision without harshness
Extends factory bushing life while delivering track-day-ready rear-end stability
