AST Lowering Springs For BMW 4 435i/440i/430D 03/2014-07/2021, Front 30 , Rear 30

The AST Lowering Springs are engineered to enhance your BMW 4 Series 435i, 440i, and 430D models from 03/2014 to 07/2021 by effectively lowering the vehicle’s center of gravity by 30 mm at both the front and rear. Manufactured with precision using the highest quality materials and cold-coiled on state-of-the-art Wafios coiling machines, these springs provide a reliable and durable solution tailored specifically for your vehicle. Designed as a direct replacement for the OEM springs, the AST Lowering Springs maintain much of the original comfort while improving handling and stability. The progressive spring design ensures a balanced ride, reducing body roll and enhancing cornering performance without compromising daily driving comfort. These springs are suitable for a wide range of applications, reflecting AST’s commitment to quality and performance across more than 2500 vehicle models from 1966 to present. In addition to their superior engineering, these springs come with a lifetime warranty against breaking, underscoring the brand’s confidence in their durability and long-term reliability. This warranty provides peace of mind and assurance of quality for every journey. Notes Not suitable for 4WD (four-wheel drive) cars. Approximately 10mm less lowering for vehicles equipped with M-Sport suspension. Approximately 10mm less lowering for vehicles equipped with Adaptive M-Sport suspension. Lowering Specifications Front lowering: 30 mm Rear lowering: 30 mm Progressive spring design for optimal balance between performance and comfort Cold-coiled manufacturing process ensuring high precision and durability Compatibility BMW 4 Series 435i (03/2014 – 07/2021) BMW 4 Series 440i (03/2014 – 07/2021) BMW 4 Series 430D (03/2014 – 07/2021) Not compatible with 4WD vehicles Adjustments in lowering height for M-Sport and Adaptive M-Sport suspensions The AST Lowering Springs represent a professional-grade upgrade that enhances your vehicle’s dynamic capabilities while respecting the comfort and quality standards expected by discerning drivers. Their precise fitment and reliable performance make them an excellent choice for those seeking to improve their BMW’s handling characteristics without sacrificing ride quality.