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AST lowering springs for BMW F32 435i/440i/430D (2013–2020) RWD models reduce a vehicle's center of gravity while aiming to retain much of the original ride comfort. Cold-coiled on Wafios machines, the progressive-rate springs are vehicle-specific direct replacements and are offered with a lifetime warranty against breakage. They provide a lowered stance with balanced handling improvements suited to street-driven cars.
AST 13-20 BMW 435i/440i/430D (F32) Lowering Springs - RWD
