AST Lowering Springs For BMW Z4 18i/20i/23i/28i/30i 04/2009-01/2018, Front 30 , Rear 25 G22 | G23 (2020+) INTERIOR STYLING this filter provides increased surface

this filter provides increased surface area for smoother airflow

more reliable and better-performing engine

resulting in improved heat dissipation efficiency

Lowers front by 15 mm and rear by 15 mm

AST Lowering Springs For BMW Z4 18i/20i/23i/28i/30i 04/2009-01/2018, Front 30 , Rear 25 G22 | G23 (2020+) INTERIOR STYLING this filter provides increased surfaceThe AST Lowering Springs for BMW Z4 18i 20i 23i 28i 30i (04 2009 01 2018) are engineered to enhance your vehicle's driving dynamics by lowering the center of gravity while maintaining a high level of comfort. Manufactured with precision using the finest Wafios coiling machines, these cold coiled springs provide a reliable and durable solution tailored specifically for your BMW Z4 model. Designed as a direct replacement for the original equipment