BMW X3 F25 X4 F26 Engine Water Coolant Hose Pipe 30dX 35dX N57 8571611

BMW X3 F25 X4 F26 Engine Water Coolant Hose Pipe 30dX 35dX N57 is an original cooling system component designed for BMW models equipped with the N57 engine in 30dX and 35dX versions. Thanks to its factory geometry and precise fit, the hose ensures stable coolant flow and proper integration with other system components. This used OEM part is a sensible choice for drivers and workshops looking for components with proven compatibility.

Specifications and technical data

• SKU: 8571611
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8571611
• Substitutable numbers: 8571611, 17128571611, 7823557, 17127823557
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The coolant hose in the BMW X3 F25 and X4 F26 with the N57 engine is responsible for a secure and leak-proof connection between cooling system components, enabling efficient fluid circulation. Proper fluid flow is crucial for maintaining a stable engine operating temperature, protecting against overheating, and reducing the risk of damage to the cylinder head or engine accessories.

The original hose from the Cooling system hoses and pipes category maintains factory diameters, shape, and mounting points, which facilitates installation and minimizes the risk of leaks after replacement.

Benefits of using an original BMW hose

Using a hose dedicated to specific BMW X3 F25 and X4 F26 models with the N57 engine provides a number of practical benefits:

• factory fit for connectors and brackets in the engine bay,
• appropriate material stiffness and flexibility, adapted to the temperatures and pressures in the cooling system,
• maintenance of proper hose routing, without unwanted kinks or tension,
• reduced risk of coolant leaks after proper installation.

As a result, the hose helps maintain stable cooling system operation, which translates into engine longevity and vehicle operating safety.

Used condition and service application

The item is offered in used condition, which provides an attractive cost-effective solution while maintaining the manufacturer's original specifications. This type of hose is suitable both for standard replacement of worn or damaged hoses and for major service work related to the cooling system, such as replacing the radiator, thermostat, or water pump.

For workshops and individual users, this means the ability to perform repairs using parts consistent with the original BMW design, without the need to adapt universal replacements.

Technical support – cooling system and part selection

When working with the cooling system, it is worth paying attention to symptoms of overheating, proper venting, and the tightness of all connections. To better understand the impact of hoses and other components on engine durability, the following article will be helpful: Engine cooling system – overheating, repair, and used radiators. You will find practical tips on diagnostics and servicing cooling systems in various models there.

If you want to organize the process of purchasing used components, verify selection by OEM number, or learn good online purchasing practices, it is worth checking out the guide: Safe purchase of used car parts online – a step-by-step guide. This is a useful source of knowledge for both drivers and professional service centers.

Repair expansion – other BMW cooling system components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional pipes, hoses, or fluid connectors, check out the available parts in the BMW cooling system hoses and pipes category.