AST Suspension Lowering Springs - BMW 4-Series (03/2014-07/2021) Select Drop (F/R):40mm/40mm The coupler’s flexible design allows

The coupler’s flexible design allows for easy installation and adjustment

aggressive look or improved cornering stability

The integrated sensor is designed for quick and reliable data transmission

Seamless integration with OEM mounting points ensures a straightforward installation process without the need for modifications

AST Suspension Lowering Springs - BMW 4-Series (03/2014-07/2021) Select Drop (F/R):40mm/40mm The coupler’s flexible design allowsAST Suspension Lowering Springs Part #: ASTLS 21 040 Overview The AST Suspension Lowering Springs are designed to enhance the handling and aesthetics of your BMW 4 Series models manufactured between March 2014 and July 2021. Crafted for enthusiasts seeking a sportier stance and improved road feedback, these springs help lower your vehicle's ride height for a more aggressive look while maintaining ride comfort and stability. They are ideal for drivers