AST Lowering Springs For BMW 4 420i/430i 11/2020-, Front 30 , Rear 25 720S Feedback is consistently excellent -

Feedback is consistently excellent - cleaner pedal feel

BMW 3 Series E91 estate sport springs

steering wheel gear paddles M3

Vehicle specific development

improved turn-in and body control E46

AST Lowering Springs For BMW 4 420i/430i 11/2020-, Front 30 , Rear 25 720S Feedback is consistently excellent -The AST Lowering Springs are engineered to enhance your BMW 4 Series 420i 430i (from 11 2020 onwards) by effectively lowering the vehicles center of gravity while maintaining a high level of comfort comparable to the original equipment manufacturer (OEM) springs. Manufactured using premium materials and precision cold coiling technology on advanced Wafios coiling machines, these springs ensure durability and consistent performance. Their progressive