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The AST lowering springs for BMW M4 (January 2014–October 2020) lower the vehicle's center of gravity while maintaining much of the OEM ride comfort as a direct OE‑style replacement. Cold‑coiled on Wafios machines with a progressive profile, they help deliver a controlled lowered stance and sharper handling. Vehicle‑specific fitment, premium materials and a lifetime warranty against breakage support dependable, long‑term use across many models.
AST 01/2014-10/2020 BMW M4 Lowering Springs - 25mm/20mm
