(11531726506) - Hose - 4-way Coolant Return - 525i (with M50) (91-95) (OEM/Lemforder) (1 available)

BMW part number 11531726506 is a genuine OEM engine 4-way coolant return/outlet hose that fits E34 525i models (91-95). Unlike standard single-connection lines, this complex, multi-branched spider hose is critical because it simultaneously bridges four major cooling zones across your engine bay. It attaches directly to the heater core outlet, the radiator, the engine block, and the throttle body thermostat circuit. Lemforder/Germany. (gar2-Y8)

Because it branches out to so many dynamic areas under the intake manifold, it undergoes immense torsional stress and heat cycles, making it a notorious culprit for sudden, hard-to-reach cooling system leaks. 

• Component Type: 4-Way Complex Coolant Return / Outlet Hose
• Material: Molded EPDM rubber engineered for high heat and electrochemical degradation (ECD) resistance.
• Superseded / Older Part Number: 11531738054