Experience the impeccable precision of the with Cohline's top-of-the-line brake line set for E9 CS models. Offers a double-walled, copper-plated strip steel construction on both the inside and outside, further enhanced by 25 pm galvanization and a plastic coating on the exterior. This meticulous design ensures superior corrosion protection for up to 600 hours in salt spray tests according to SS DIN 50021, guaranteeing longevity and reliability. Cohline brake lines are distinguished by their high-pressure resistance and precise dimensions, providing you with unmatched safety and performance.