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 The aerodynamic design not only

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

Longer clutch life

Those who appreciate a stylish black tip finish and factory-style valve integration

offering a refined appearance that complements other performance-oriented modifications

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 The aerodynamic design not onlyAST 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