AST Lowering Springs 25mm/15mm | BMW 3 Series F30 (15-19) (ASTLS-18-006) E9X 3-SERIES making this kit suitable for

making this kit suitable for both street and track use

Enhanced protection against harsh road elements

these air ducts feature a durable

This product is ideal for BMW owners seeking to customize their M series with a refined

it provides an eye-catching finish that complements the vehicle’s lines while resisting the elements

AST Lowering Springs 25mm/15mm | BMW 3 Series F30 (15-19) (ASTLS-18-006) E9X 3-SERIES making this kit suitable forAST 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.