AST Suspension Lowering Springs (30mm/30mm TUV) - 1990-1993 BMW 4 Series 418i Gran Coupe (E30) 640i Our engineers have developed a

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Bean Edition Chassis Code SH Bushing Color Black Bushing Material Polyurethane Durometer 85 Grade Type Regular Installation Difficulty Moderate Installation Time (hrs) 2 Kit Contents 6 Bushings

Part Number W51499 Part Name Control Arm Bushing Vehicle 1988-1989 Toyota Corolla SR5 All Trac Chassis Code E90 Bushing 1 Inner Diameter 18

AST Suspension Lowering Springs (30mm/30mm TUV) - 1990-1993 BMW 4 Series 418i Gran Coupe (E30) 640i Our engineers have developed aAST Lowering Springs for the 1990 1993 BMW 4 Series (E30) 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 stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.