Genuine 17 12 8 602 870 Upper Radiator Coolant Hose BMW Inner Return Line

The Genuine BMW 17128602870 is an OEM upper radiator coolant hose designed as an inner coolant return line for select BMW 5-Series and 7-Series models. This factory-engineered hose ensures proper coolant flow from the cooling module to the radiator, maintaining optimal engine temperature and preventing overheating.

Key Features:

• Genuine BMW OEM quality - exact fit replacement part
• High-grade rubber construction for superior heat and corrosion resistance
• Precision-molded design ensures leak-free operation
• Resists cracking, deterioration, and coolant degradation
• Factory specifications for proper coolant flow and system pressure

This upper coolant hose is positioned as diagram reference #7 in BMW cooling system diagrams and serves as the primary inner radiator hose connection. Manufactured to BMW's exacting standards, this hose provides reliable, long-lasting performance and maintains the integrity of your vehicle's cooling system.