SuperPro has a complete replacement and performance solution for the BMW E36 lower control arms. The SuperPro kit comes with LHS and RHS arms with heavy duty M-Spec ball joints, brackets and bushes. It is a complete changeover kit for the BMW. The complete arm kit is fitted with SuperPro bushings to positively locate the rear of the arm and eliminate the unwanted flex that comes with the O.E rubber bushing. TRC0036XK Caster increase kit will deliver extra caster to enhance the handling and directional stability of the vehicle.