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ST Sport lowering springs for BMW E39 sedan without factory sport suspension deliver a vehicle‑matched lowering solution that preserves compatibility with original dampers. Each set is tuned to specific application to ensure correct spring rates and maintain suspension function while improving appearance and handling. Constructed from chrome silicon steel with multi‑tempering and an epoxy coating, they resist sag and environmental wear.
ST Sport-tech Lowering Springs BMW E39 Sedan without fact. sp.suspension kit
