New X4 Brass Weights Nickel Coated for engine Mount 4g+4g+8g • group of 3 additional weights • Specially designed for X4 • No negative flex • No influence on fat bias • Mounts in 3 spots on motor mount • Precision-machined from brass • Nickel coated CNC-machined brass nickel coated weights particularly made for X4 are installed straight on the engine mount in 3 spots. Incorporating the weights toward engine mount doesn't compromise framework room or flex. The weights are secured using 2.5x8mm screws. The loads are added to the center of the automobile which ensures no influence on the front to back weight bias. #309852 X4 Brass Weights Nickel Coated for engine Mount 4g+4g+8g