Water Hose BMW X3 F25 X4 F26 B47 Coolant Cooling Pipe Line 8573716

Water Hose BMW X3 F25 X4 F26 B47 Coolant Cooling Pipe Line is an original cooling system component, designed for the precise routing of coolant in the B47 engines of these models. Thanks to its factory geometry and perfect fit for the specific platform, it ensures a stable connection between cooling components and helps maintain the correct operating temperature of the engine. This is a practical solution for users who want to restore the efficiency of the cooling system while maintaining compliance with BMW's factory specifications.

Specifications and technical data

• SKU: 8573716
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8573716
• Substitutable numbers: 8573716, 11538573716
• Category: Coolant Hoses

Purpose and function in the cooling system

The water hose in BMW X3 F25 and X4 F26 models with the B47 engine is responsible for the controlled flow of coolant between the cooling system components. A properly selected hose minimizes the risk of leaks, pressure drops, and localized overheating, which can lead to serious engine damage. The appropriate diameter, shape, and length of the hose are crucial for maintaining proper fluid circulation throughout the entire circuit.

This item from the Cooling system hoses and pipes category is particularly important in modern diesel units, where a stable operating temperature affects engine performance, fuel consumption, and the durability of accessories. Using a hose dedicated to a specific generation of X3 and X4 allows you to avoid problems typical of aftermarket replacements with imprecise fitment.

Benefits of using an original BMW hose

Choosing an original BMW water hose for the X3 F25 and X4 F26 offers a number of practical advantages:

• Factory geometric fit – the hose is designed for a specific cooling system, which facilitates installation and ensures proper routing in the engine bay.
• Stable cooling system operation – the correct coolant flow supports maintaining the optimal temperature of the B47 engine under various load conditions.
• Reduced risk of leaks – the dedicated shape and mounting points limit stress on the ports and connectors.
• Consistency with other system elements – the hose works with factory connectors, clamps, and BMW cooling components.

Performance characteristics and installation

The water hose designed for the BMW X3 F25 and X4 F26 with the B47 engine is structurally prepared to operate in an environment of high temperatures and variable pressures. When properly routed in the engine bay, it does not interfere with other components, which facilitates service and reduces the risk of abrasion. Replacing the hose is recommended in case of visible cracks, swelling, signs of leakage, or after major interventions in the cooling system.

During installation, it is worth paying attention to:

• proper positioning of the hose relative to factory brackets and guides,
• precise seating on the ports and even tightening of the clamps,
• proper bleeding of the cooling system after completing the work.

Component condition and service application

The offered BMW water hose comes from the secondary market, making it an attractive cost-effective alternative while maintaining factory specifications. This type of component is often chosen for preventive cooling system repairs, radiator or thermostat replacement, or after interventions involving the disassembly of engine accessories. Using an original hose allows you to maintain the structural integrity of the entire system.

Technical support and educational materials

For users who want to better understand how the cooling system works and the consequences of engine overheating, an article describing common problems and diagnostic methods – especially in the context of BMW models – will be useful, available here: Engine cooling system – overheating, repair, and used radiators. This is a good supplement to your knowledge before planning the replacement of hoses, radiators, or other fluid circuit elements.

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 lines, hoses, or water pipes, check the available parts in the BMW cooling system hoses and pipes category.