Water Hose BMW F20 F30 F31 F10 F11 LCI B47 EGR Cooler Coolant Pipe Line 8573715

Water Hose BMW F20 F30 F31 F10 LCI B47 EGR Cooler Coolant Pipe Line is a component from the Cooling system hoses and pipes group, designed for operation in the coolant circuit of BMW vehicles with the B47 engine. It is responsible for the stable routing of fluid within the system, which directly affects the engine's operating temperature and operational safety. Using an OEM component is a sensible choice for professional cooling system repairs in modern BMW F-series models.

Specifications and technical data

• SKU: 8573715
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8573715
• Substitutable numbers: 8573715, 11538573715
• Category: Coolant Hoses

Function and application in the BMW cooling system

The water hose in the B47 engine cooling system is responsible for the controlled flow of fluid between key components, such as the engine block, water pump, or heat exchangers. A properly selected hose ensures:

• stable maintenance of the engine's operating temperature,
• proper pressure in the cooling circuit,
• reduced risk of overheating and local hot spots,
• safe cooperation with other cooling system components.

Thanks to its fitment for BMW F20, F30, F31, and F10 LCI platforms with the B47 engine, the hose is structurally prepared to work in the demanding environment of the engine bay, accounting for vibrations, temperature changes, and limited installation space.

Benefits of using an original water hose

Using an original water hose in a BMW cooling system translates into a number of practical service and operational benefits. The most important include:

• Factory geometric fit – the correct shape and length of the hose facilitate installation and eliminate stresses that could lead to leaks.
• Predictable cooperation with other cooling system components – the component is designed for specific models and the B47 unit.
• Reduced risk of incorrect hose routing, rubbing against other components, or kinking at too sharp an angle.
• The ability to maintain service consistency with other OEM components in the vehicle.

Choosing a used, original hose from this group is often more cost-effective than installing random replacements with uncertain fitment, especially in modern BMW F-series designs.

Professional installation and cooling system diagnostics

When replacing a water hose in a B47 engine, it is worth performing a comprehensive assessment of the entire cooling system's condition – including other hoses, connectors, and connection tightness. Proper installation includes:

• checking sealing surfaces and clamps,
• proper positioning of the hose in factory guides,
• bleeding the system after filling it with fresh coolant,
• verifying the engine's operating temperature after installation is complete.

To better understand the impact of hoses and pipes on engine durability and symptoms of overheating, it is worth reading the guide on cooling system diagnostics and service: Engine cooling system – overheating, repair, and used radiators.

Characteristics of the used OEM component

The offered hose belongs to the group of original BMW components, which means it was designed in accordance with the vehicle manufacturer's requirements. The used condition of the part allows for an economical repair while maintaining proper fitment and compatibility with the factory cooling system. This type of solution is particularly attractive for vehicles used intensively, where both repair costs and maintaining correct engine operating parameters are important.

If you want to compare the cost-effectiveness of using original parts, replacements, and aftermarket components more broadly, the following guide material will be helpful: original, replacement, or used – which car parts are the most cost-effective?.

Expanding BMW cooling system service

If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other elements from the same group, such as additional hoses, return lines, or sections connecting to the radiator, check the available parts in the BMW cooling system hoses and pipes category.