AST Suspension Lowering Springs (30mm/30mm) - 2009+ BMW X1 20i/25i/18D/23D/25D X-Drive (E84) hks-hipermax-4-sp-drag-coilovers Fantastic handling

Fantastic handling

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Our engineers have developed a sporty yet refined setup for your 2016-2018 Audi TT Quattro that allows you to individually adjust the compression & rebound damping independently of each other

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AST Suspension Lowering Springs (30mm/30mm) - 2009+ BMW X1 20i/25i/18D/23D/25D X-Drive (E84) hks-hipermax-4-sp-drag-coilovers Fantastic handlingAST Lowering Springs for the 2009+ BMW X1 (E84) 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. Features