Genuine 11 53 7 805 359 Coolant Hose Oil Cooler to Return Pipe

The Genuine BMW 11 53 7 805 359 is an OEM coolant hose that connects the oil cooler heat exchanger to the return pipe on M57 diesel engines. This factory replacement hose is specifically engineered to maintain proper coolant flow and temperature regulation in the engine cooling system.

Key Features:

• Original Equipment Supplier (OES) quality ensures precise fitment and reliability
• Inner linings resistant to electrochemical cracking for extended service life
• High strength construction withstands exposure to oil, mud, salt, road debris, and ozone
• Designed for resistance to distilled water and water-ethylene glycol coolant mixtures
• Direct replacement for worn or leaking cooling system hoses

This genuine BMW cooling hose is built to OEM specifications and backed by the manufacturer's warranty. Regular inspection and replacement of cooling system hoses helps prevent coolant leaks and potential engine damage from overheating.