AST Suspension Lowering Springs (30mm/30mm) - 2009+ BMW X1 20i/25i/18D/23D/25D X-Drive (E84) YMM_2013_2016_Porsche_911_991_1_Carrera_Targa_4_4S offering a refined appearance that

offering a refined appearance that complements other performance-oriented modifications

The F8X GT4 V2 Splitter is engineered with a focus on aerodynamic efficiency and durability

The aerodynamic design not only enhances the aggressive stance but also supports improved airflow to the front bumper area

reduced deflection

Valved SwitchPath muffler allows for quick switch between aggressive and refined sound modes

AST Suspension Lowering Springs (30mm/30mm) - 2009+ BMW X1 20i/25i/18D/23D/25D X-Drive (E84) YMM_2013_2016_Porsche_911_991_1_Carrera_Targa_4_4S offering a refined appearance thatAST 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