BMW X5 F15 X6 F16 E71 Water Coolant Pipe Hose Line N20 N54 N55 Engine 9171372

BMW X5 F15 X6 F16 E71 Water Coolant Pipe Hose Line N20 N54 N55 Engine is an original BMW component designed for the coolant circulation system in the engine unit. This used OEM part ensures factory-spec geometry, correct connection diameters, and a precise fit for engine bay mounts, which facilitates installation and reduces the risk of leaks.

Specifications and technical data

• SKU: 9171372
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9171372
• Substitutable numbers: 9171372, 64219171372
• Part type: Hose
• Category: Coolant Hoses

Application in BMW X5 F15, X6 F16, E71 models

The offered hose belongs to the Cooling system pipes and hoses category and is designed for use with N20, N54, and N55 series gasoline engines in BMW X5 F15, X6 F16, and E71 models. It is responsible for transporting coolant between system components, supporting the stabilization of the engine's operating temperature during city driving, highway travel, and under higher loads.

Construction and function of the coolant pipe

The pipe is designed as a component matched to the factory BMW cooling system, featuring appropriately shaped sections and connection ends. Thanks to this:

• it maintains proper coolant flow in the engine area,
• it minimizes stresses resulting from engine operation and body vibrations,
• it ensures compatibility with original clamps, quick-connectors, or mounting brackets specified by the manufacturer. Proper routing of the hose in the engine bay reduces the risk of rubbing against other components and local overheating, which translates into stable operation of the cooling system.

Benefits of using an original BMW hose

Using an original hose in the BMW cooling system provides a number of practical benefits:

• Factory fit – maintaining the original routing path and correct connection diameters.
• Consistency with N20 / N54 / N55 engine design – the hose is designed for specific engine units, which facilitates service and diagnostics.
• Stable cooling system operation – proper coolant flow supports maintaining the optimal engine temperature. The used OEM component is a cost-effective solution that is technically consistent with the manufacturer's factory specifications.

Part condition and installation aspects

The hose is offered as a used part, which allows for an economical repair of the cooling system while maintaining the original BMW specification. Before installation, it is recommended to perform a standard check of tightness, connection surfaces, and external condition, as well as to replace the coolant in accordance with the vehicle manufacturer's service procedures. It is worth verifying the selection of the correct hose by the OEM part number and interchangeable numbers visible in the technical specifications section – this facilitates matching to the specific engine version and vehicle model year. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional pipes, hoses, or coolant return lines, check the available parts in the BMW cooling system pipes and hoses category.

Technical support and cooling system maintenance

To better plan the service of the cooling system, including the replacement of hoses, radiators, or fans, it is worth familiarizing yourself with practical tips regarding system operation in high temperatures. Detailed information can be found in the guide "Summer heat vs. cooling system: used radiators and fans as a guarantee of savings", which discusses the impact of thermal loads on components and ways to rationally select used parts.