BMW 3 Series (E90/E92) 2006-2011 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute One size fits all

One size fits all

Occasional Track Use

T6 6061 Aluminum Mounts and Camber Plates

Replacement Knob & Clicker Assembly for Generation 4

designed and tested in the harshest environment possible- the race track

BMW 3 Series (E90/E92) 2006-2011 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute One size fits allCUSTOM. 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