BMW M3 (E90/92/93) 2007-2013 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute Swift and HyperCo Springs are

Swift and HyperCo Springs are not available due to the design of the rear spring

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Replacement studs

Each service includes a comprehensive safety and performance inspection

• Improved Strength

BMW M3 (E90/92/93) 2007-2013 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute Swift and HyperCo Springs areCUSTOM. MODULAR. REBUILDABLE. In conjunction with Fortune Auto engineers and Muller Suspension specialists. All Muller Suspension systems are designed with maximum performance and ride quality in mind. Muller suspension systems are truly bespoke in utilizing industry lading machining methods and materials. Designed for High line Vehicles and Exotic Supercars. Amsoil Synthetic Shock Oil Flow Digressive Piston Technology Swift Springs standard on most