Description
BMW F20 F21 F30 LCI Water Hose Pipe Tube is a component from the Cooling System Hoses and Pipes group, designed for use in the cooling system of post-facelift (LCI) BMW F-series models. It is responsible for the stable flow of coolant between engine components, which directly impacts the engine’s temperature safety and durability.
Specifications and technical data
- SKU: 7647372
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7647372
- Substitutable numbers: 17127647372, 7647372, 67626927548, 6927548
- Category: Coolant Hoses
Purpose and Function in the Cooling System
The water hose used in BMW F-series is responsible for transporting coolant within the engine and its accessories. A correctly selected hose ensures:
- stable flow of the cooling medium under typical road conditions,
- resistance to temperature changes within the engine’s operating range,
- a leak-proof connection to the spigots and other cooling system components.
By maintaining the original geometry and connection diameters, the hose allows for proper routing in the engine bay without stress or twisting, which reduces the risk of leaks in the long run.
Benefits of Using an Original BMW Hose
Using a water hose from the BMW offering allows you to maintain the original operating characteristics of the cooling system. Key benefits include:
- precise fit for a specific body version and engine – no need for modifications or adjustments of universal replacements,
- retention of original mounting points and routing in the engine bay,
- compatibility with other cooling system components, such as the radiator, thermostat, or water pump.
This solution reduces the risk of engine overheating due to improper coolant flow or local hose kinks, and also simplifies future servicing and diagnostics.
Characteristics of a Used Part
The offered hose is a used part, sourced from disassembly, providing a cost-effective alternative to a new part while maintaining original specifications. This type of component is particularly attractive for:
- accident repairs,
- fixing leaks after a crack or damage to the old hose,
- economical refurbishment of the cooling system in older BMW F-series models.
Choosing a used OEM hose allows for maintaining the structural integrity of the cooling system while reducing the overall service cost.
Integration with the BMW Cooling System
The water hose offered here is designed for use in the complex cooling system of modern BMW engines. In practice, this means:
- compatibility with factory spigots and connectors used in LCI versions,
- maintaining the correct direction of coolant flow,
- suitability for use within standard service procedures employed in BMW workshops.
This allows the hose to be integrated into the system without modifying other components, shortening repair time and simplifying the installation process.
Technical Support and Additional Materials
To better understand the impact of the condition of hoses, radiators, and fans on engine temperature safety during high-temperature periods, it is worth reading the guide Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings, which discusses practical aspects of cooling system operation and servicing.
If you are planning a comprehensive repair or upgrade of the cooling system area in your BMW and need other parts from the same group, such as additional hoses, return hoses, or connections to the radiator, check the available parts in the BMW Cooling System Hoses and Pipes category.
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