AST BMW G81 M3 Touring Lowering SpringsDo you want to give your BMW G81 M3 Touring that extra stance it needs? The AST 35mm Drop to the Front and 15mm to the Rear Springs provide the perfect fitment with either OEM or aftermarket wheels. AST Lowering Springs are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal