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The AST lowering springs for BMW 4 (from July 2021) reduce ride height and lower the center of gravity while retaining much of the OEM comfort as a direct replacement. Cold‑coiled on Wafios machines and shaped with a progressive profile, they provide a controlled lowered stance and enhanced handling. Vehicle‑specific fitment, premium materials and a lifetime warranty against breakage ensure dependable long‑term reliability across many supported vehicle applications.
AST 07/2021- BMW 4 Lowering Springs - 25mm/20mm
