Upgrade your BMW E36 or E46 Chassis, including M3 models, with Chase Bays s Fenderwell Caliper Brake Lines for improved braking response, pedal feel, and durability. Our one-piece design seamlessly connects from the wheel well directly to the caliper, replacing OE rubber hard lines with high-quality -3AN stainless steel braided, Teflon PTFE lined, black PVC coated lines. DOT approved and pressure tested for leak-free performance, our lines offer superior effectiveness over other kits on the market. Unlike multi-piece designs, our streamlined solution eliminates unnecessary connections and clutter, simplifying installation and enhancing overall performance.