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The AST lowering spring set for 1998–2005 BMW 3 applications reduces ride height by 40mm front and 30mm rear to lower the center of gravity while preserving much of the OEM comfort. Built as a direct OEM replacement and cold‑coiled on Wafios machines, these progressive springs balance a lowered stance with improved handling and are backed by a lifetime warranty against breakage.
AST 1998-04/05 BMW 3 Lowering Springs - 40mm/30mm
