The Eibach Pro-Spacer 5mm widens BMW 325i track width by 5mm per side for improved handling and stance. Crafted from high-strength aluminum, this pair ensures precise wheel alignment and stability. Designed for 325i sedans and wagons, it’s ideal for street or track use. Bolt-on installation with corrosion-resistant coating requires proper torque. Enhances aesthetics and cornering grip. Includes a limited lifetime manufacturer warranty.