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Designed to fit a wide range of aftermarket wheels with a 63mm center bore
Mixable with most engine oils
turbocharger connections
Designed to support increased airflow without sacrificing filtration quality
engineered for optimal grip and smooth engagement
AST Lowering Springs | 2020+ BMW M440i xDrive (ASTLS-21-043) sparknotformatted Designed to fit a wideAST Lowering Springs 2020+ BMW M440i xDrive 3. 0L Turbocharged Part #: ASTLS 21 043 Overview The AST Lowering Springs for the 2020 and newer BMW M440i xDrive are designed to enhance your vehicle's stance and handling characteristics without compromising ride quality. Crafted specifically for this model, these springs provide a lowered center of gravity, improving stability and cornering performance while maintaining the comfort you expect from OEM