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The AST lowering spring set for BMW 6 Series (March 2004–December 2010) reduces ride height by 40mm front and rear while preserving much of the OEM comfort. As a direct OEM replacement with a progressive coil profile, these springs lower the center of gravity to sharpen stance and handling yet retain a compliant ride. Cold‑coiled on Wafios machines using premium processes, they fit a wide range of applications and carry a lifetime breakage warranty.
AST 03/2004-12/2010 BMW 6 Lowering Springs - 40mm/40mm
