AST Lowering Springs 25mm/15mm | BMW 3 Series F30 (15-19) (ASTLS-18-006) E9X 3-SERIES aggressive look while supporting improved

aggressive look while supporting improved airflow management at the rear of your car

these air ducts feature a durable

Enhanced protection against harsh road elements

Installation time: approximately 1-2 hours

AST Lowering Springs 25mm/15mm | BMW 3 Series F30 (15-19) (ASTLS-18-006) E9X 3-SERIES aggressive look while supporting improvedAST Lowering Springs for the 2015 2019 BMW 3 Series (F30) 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.