Coolant Hose BMW F10 F11 N20 520i 528i Water Pump Cooling Pipe Line 9226749

Coolant Hose BMW F10 F11 N20 520i 528i Water Pump Cooling Pipe Line is an original cooling system component designed for the petrol engines of this series. As part of the Cooling system hoses and pipes group, it is responsible for the stable flow of coolant between the water pump and other components, supporting the safe operation of the power unit. This used OEM part is a sensible choice for drivers looking for a proven solution at an attractive price.

Specifications and technical data

• SKU: 9226749
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9226749
• Substitutable numbers: 64219226749, 9226749, BG
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and function in the cooling system

This hose is designed to work with the N20 petrol engine in BMW 5 Series F10/F11 models, where it acts as a conduit for transporting coolant between the water pump and the rest of the circuit. Its precisely selected shape and diameter ensure proper medium flow, which helps maintain a stable engine operating temperature and reduces the risk of overheating.

Thanks to its design, which complies with the manufacturer's standards, the hose works with factory connectors and clamps, facilitating installation and reducing the risk of leaks. This is particularly important in modern petrol units, where the cooling system operates under increased pressure and at high temperatures.

Advantages of using an original coolant hose

Choosing an original coolant hose for your BMW offers a number of practical benefits:

• guaranteed fit for the N20 engine cooling system without the need for modifications,
• preservation of the factory hose routing geometry in the engine bay,
• stable operation within typical temperature and pressure ranges for petrol units,
• reduced risk of leaks due to compatibility with original connectors.

For users who want to keep their BMW in a configuration close to the factory specification, using such a component is a technically safe and predictable solution. Original origin also promotes longer service life compared to random replacements with unknown specifications.

Component condition and installation aspects

The hose comes from dismantling and is offered as a used OEM component, which allows you to combine savings with the preservation of factory part parameters. Before installation, a standard visual inspection for any signs of wear is recommended, as well as the use of new clamps to ensure the system is fully sealed.

In most cases, installing the hose does not require modifying other cooling system components. In practice, it comes down to removing the old hose, cleaning the connectors, and seating the hose in the same mounting points. To ensure the system operates correctly after replacement, it is worth performing a bleeding procedure in accordance with the BMW petrol engine service manual.

Cooling system optimization and technical knowledge

A functional coolant hose has a direct impact on the stability of the engine's operating temperature, and thus on its durability and performance. During periods of high ambient temperatures, it is particularly important that the entire coolant circuit – from the radiator, through the water pump, to the hoses – operates without interference. If you want to better understand how summer conditions strain the cooling system and when it is worth considering replacing components with used but verified parts, check out our guide Summer heat vs. cooling system – used radiators and fans as a way for economical operation.

Expansion and modernization of the BMW cooling system

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 hoses, return lines, or sections connecting to the radiator, check out the available parts in the BMW cooling system hoses and pipes category.