34206864449 2Pcs Stop Spring For 2 Series X1 X2 F45 F46 F48 Car Accessories Rear Disc Brake Pad Retaining Clip The 34206864449 stop spring is designed for use with specific vehicle models including 2 Series, X1, X2, F45, F46, and F48.Constructed from metal, this retaining clip helps secure the rear disc brake pads in place, contributing to consistent brake performance.The part is engineered to match the design with part number 34206864449, compatibility with corresponding brake assemblies.This pack includes two stop springs, providing both sides of the vehicle with proper retention.The design incorporates a clip feature that allows for attachment without requiring modifications.Installation is direct and integrates into existing mounting points without the need for special tools.Confirm fitment by checking the vehicle's specifications against the provided part number before installation.