BMW F10 F11 Coolant Line Water Pump Engine Coolant Feed Hose N52 N53 7581873

BMW F10 F11 Water Hose Pipe N52 N53 is an original cooling system component designed for gasoline engines of the BMW 5 Series, F10/F11 generation. Thanks to its factory geometry and appropriately selected diameter, it ensures stable coolant flow and proper cooperation with other system components. This is a practical solution for users who want to maintain consistency with factory specifications without investing in a new part.

Specifications and technical data

• SKU: 7581873-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7581873
• Substitutable numbers: 7581873, 11537581873
• Fuel type: Petrol
• Part type: Hose
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The offered water hose operates within the coolant circuit of N52 and N53 gasoline engines used in the BMW 5 Series F10/F11. Its task is to direct fluid between cooling system components such as the engine block, radiator, and intermediate housings, which helps maintain the engine's stable operating temperature.

The correct selection of the hose is particularly important in gasoline engines, where precise temperature control affects the smoothness of operation, fuel consumption, and component durability. Using a part that conforms to the factory design minimizes the risk of leaks, overheating, and improper fluid circulation.

Benefits of Using an Original BMW Hose

Compared to aftermarket alternatives, an original BMW water hose offers:

• precise fit to the connectors and mounting points in the engine bay,
• appropriate stiffness and flexibility of the material within typical operating temperature ranges,
• compatibility with the cooling system designed for N52/N53 gasoline engines.

This ensures a smooth installation without the need for modifications, and the cooling system maintains parameters close to factory settings. This is especially important in modern engines where stable coolant temperature directly influences the engine control strategy.

Product Characteristics and Practical Application

This hose belongs to the group of Cooling System Hoses and Pipes, responsible for transporting coolant between individual components. In practice, this means operating under variable thermal and mechanical conditions, making it crucial to use components with appropriately selected design and manufacturing quality.

The product is a used part, allowing for economical vehicle maintenance while preserving the original BMW specifications. This is a good solution for users who:

• are repairing the cooling system after a leak or overheating,
• are performing comprehensive engine service, replacing several hoses simultaneously,
• want to maintain consistency with the factory mounting and routing of hoses.

Support for Selecting and Expanding the Cooling System

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional water hoses, flexible return hoses, or short connecting sections, check the available parts in the BMW Cooling System Hoses and Pipes category.

To better understand how the condition of hoses, radiators, and fans affects the operational safety of the engine at high temperatures, consult our guide: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings. This is a practical addition to your knowledge when planning cooling system service for your BMW.