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The Goodridge G-Stop stainless steel brake line kit for 2016–2018 BMW M4 rear brakes replaces original rubber lines with a PTFE inner hose and stainless steel overbraid. The conversion reduces pedal sponginess, improves brake feel and yields consistent braking and shorter stopping distances under repeat use. Built to resist abrasion and corrosion, it helps preserve braking efficiency over time.
Goodridge 16-18 BMW M4 Stainless Steel Rear Brake Lines
