BMW X5 E70 3.0si N52N Engine Coolant Hose Cooling Pipe Line 7547244

BMW X5 E70 3.0si N52N Engine Coolant Hose Cooling Pipe Line is an original cooling system component designed for the precise routing of coolant in the N52N engine. Thanks to its factory geometry and perfect fit for the specific X5 E70 version, the hose ensures stable fluid flow and helps maintain the proper operating temperature of the powertrain, which translates into safe vehicle operation.

Specifications and technical data

• SKU: 7555281
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7555281
• Substitutable numbers: 7555281, 11537555281
• Category: Coolant Hoses

Purpose and function in the cooling system

The water hose in the BMW X5 E70 3.0si N52N is responsible for the directional flow of coolant between system components, such as the engine block, water pump, or radiator. A properly selected water pipe:

• ensures a tight connection within the N52N petrol engine cooling system,
• maintains stable fluid flow under varying thermal loads,
• reduces the risk of engine overheating during city and highway driving,
• facilitates maintenance thanks to its factory shape tailored to the BMW X5 E70 engine bay.

For engines with compact designs, such as the 3.0si, the correct water hose is crucial for even heat dissipation and maintaining the efficiency of the entire cooling system.

Design and fitment for the BMW X5 E70 3.0si N52N

The offered water pipe comes from the Cooling system hoses and pipes group, meaning it has been designed to operate in high-temperature environments and in contact with coolant. Its original BMW origin guarantees:

• compliance with the factory routing of hoses in the X5 E70 engine bay,
• appropriate diameter and shape of the ends for standard clamps and connectors,
• stable mounting in factory bracket points and guides,
• compatibility with other cooling system components in the 3.0si version.

As a result, installation is straightforward, without the need for modifications or makeshift workshop solutions.

Condition of the item and benefits of choosing a used part

The water hose is offered in used condition, which allows for an economical repair of the cooling system while maintaining original BMW specifications. In practice, this means:

• an attractive cost-to-quality ratio compared to new non-original replacements,
• preservation of the factory fit for the N52N engine and X5 E70 body,
• the ability to replace a damaged or leaking hose without interfering with other components.

Before installation, a standard inspection of tightness and the condition of the connection surfaces is recommended to ensure trouble-free operation of the cooling system after replacement.

The importance of the correct water hose for engine durability

A functional water hose in the BMW X5 E70 3.0si N52N has a direct impact on protecting the engine from overheating. Leaks, micro-cracks, or deformations can lead to coolant loss, and consequently, an increase in operating temperature. This, in turn, accelerates the wear of gaskets, cylinder head components, and engine accessories.

To better understand how the entire cooling system affects the longevity of the powertrain and what symptoms may indicate problems with fluid flow, it is worth reading the article: Engine cooling system – overheating, repair, and used radiators. This will allow you to consciously plan diagnostics and choose the appropriate service strategy.

Part selection by OEM number and purchase support

For components such as cooling system hoses and pipes, matching the specific engine version and vehicle year is crucial. Verification by OEM number or vehicle VIN minimizes the risk of purchasing an incompatible water pipe. If you want to check step-by-step how to correctly identify cooling system elements and other components, the following guide will be helpful: how to choose the right car part by VIN and OEM number.

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, flexible hoses, or return pipes, check the available parts in the BMW cooling system hoses and pipes category.