Rubber control arm bushings control movement while offering a suitable amount of deflection for increased comfort and driveability. Swapping these to a stiffer material will reduce deflection and improve response. Turner Motorsport carries a wide variety of bushings and materials to support your individual needs.
Fall Line’s mono ball spherical bearing conversion kit transforms the rear suspension feel of the E46 and E36 M3. The factory rubber bushing is very large, and is prone to substantial deflection under load, as the M3 is put through its paces. Deflection of the bushing can create unwanted geometry change, steering wobble under braking, and even hysteresis of the thrust arm.
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