BMW E90 Engine Coolant Water Hose Pipe 7548213

Visual condition of the part

The product shows signs of use visible in the photos. BMW E90 Engine Coolant Water Hose Pipe is an original component from the Lines, hoses and pipes group, designed for operation in the engine cooling system. The offered BMW brand component ensures factory geometric fitment and stable coolant routing under the demanding thermal conditions of the power unit.

Specifications and technical data

• SKU: 7548213-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7548213
• Substitutable numbers: 17127548213, 7548213, 17127525026, 7525026, 17127548242
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The engine coolant water hose in the BMW E90 is responsible for the controlled transport of coolant between key system components. A properly selected and leak-free hose reduces the risk of engine overheating, supports a stable operating temperature, and improves overall engine reliability. Thanks to a design compliant with the manufacturer's standards, the hose maintains appropriate rigidity while remaining flexible enough to compensate for vibrations and movements of the powertrain. This solution minimizes stress on ports and connections, which translates into a longer service life for the entire cooling system.

Original origin and installation compatibility

The component comes from the BMW OE line, which means it maintains factory standards for material quality, connection diameters, and hose shape. The original design facilitates installation in place of a worn component without the need for modifications, adjustments, or the use of additional adapters. The hose has a dedicated OEM part number and associated interchangeable numbers, which allows for precise verification of compatibility with a specific engine configuration and BMW E90 body version. This allows for the safe selection of the component for the existing system, reducing the risk of leaks or incorrect hose routing.

Performance characteristics and application benefits

As a cooling system component, the hose is designed to operate at elevated temperatures and under coolant operating pressure. Using an original component helps maintain:

• stable coolant flow across the entire engine load range,
• correct hose positioning relative to other components in the engine bay,
• appropriate resistance to temperature changes and typical operational vibrations. For the user, this means more predictable cooling system operation, reduced risk of leaks, and easier diagnostics of potential future faults. Replacing a worn hose with an original BMW component helps restore system performance parameters to values close to factory specifications.

Component condition and installation aspects

The offered hose is used, which allows for an economical replacement of the component while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial for maintenance repairs where technical compliance and reasonable service costs are the priority. Due to its factory origin, the installation of the hose in the BMW E90 follows a procedure similar to the manufacturer's service manual. After proper attachment and bleeding of the cooling system, stable coolant circulation can be achieved without the need for additional modifications.

Cooling system expansion in BMW

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 lines, flexible hoses, or rigid pipes carrying coolant, check out the available parts in the BMW lines, hoses and pipes category.

Technical support and project development

When upgrading or restoring a factory cooling system, it is worth paying attention to the consistency of the components used and their origin. Relying on original BMW parts helps maintain predictable engine performance parameters and facilitates future service maintenance. If you are interested in the broader context of using original and used components in premium segment cars and ways to technically improve your car while maintaining reasonable costs, check out the article MINI John Cooper Works – what makes it stand out and how to improve your MINI?, which shows a practical approach to modifications using OEM parts.