Megan Racing BMW 4-Series G22 430i / 440i 21+ (Non-M) Rear Toe Arm (Rear Lower) - MRC-BM-0170Megan Racing control arms are constructed of a Lightweight Steel Alloy which is able to withstand the stresses of extreme competition these arms are powder coated with a 3 Stage process to ensure durability and protection against the elements. Polyurethane Bushings provide freedom of movement free of bind while eliminating all slop unlike factory molded rubber bushings which will not only increase vehicle dynamic response but also allow the suspension