BMW 3 Series (E90/E92) 2006-2011 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute Occasional Track Use

Occasional Track Use

Please note: optional performance upgrades are not included in this service

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

Extra springs allow to fine tune your setup

24-Step Rebound and 8-Step Compression Adjustable Dampers

BMW 3 Series (E90/E92) 2006-2011 - Muller 1-Way Series Coilovers Spring Upgrade:Swift Springs or HyperCo Substitute Occasional Track UseCUSTOM. 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