AST 20mm/20mm Lowering Springs | BMW 4 Series E30 (87-93) (ASTLS-14-341)AST Lowering Springs Part #: ASTLS 14 341 Overview The AST 20mm 20mm Lowering Springs are designed to enhance the handling and aesthetics of your BMW 4 Series E30 (87 93). Crafted for enthusiasts seeking a sportier stance and improved cornering response, these springs provide a balanced combination of performance and style. They are ideal for drivers who want to lower their vehicle's ride height for a more aggressive look while maintaining ride