Description
The BMW E90 M57N2 Coolant Hose Pipe is an original cooling system component from the Hoses, Pipes, and Tubes category, designed for BMW E90 diesel engines with the M57N2 engine. This is a practical solution for users who want to restore proper coolant circulation while maintaining the original geometry and fit of the part.
Specifications and technical data
- SKU: 6928595
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 6928595
- Substitutable numbers: 6928595, 64216928595, EM
- Fuel type: Diesel
- Category: Hoses, Lines & Pipes
Purpose and Function in the Cooling System
The BMW E90 M57N2 Coolant Hose Pipe is responsible for the stable routing of coolant between selected components of the diesel engine’s cooling system. The appropriately selected cross-section and shape of the pipe ensure proper medium flow, which directly impacts the engine’s operating temperature and its durability.
This component is particularly important in diesel engines, where thermal loads are higher and the cooling system must operate consistently and predictably. Using the correct pipe reduces the risk of localized overheating, leaks, and pressure drops in the circuit.
Construction and Fit for BMW E90 Diesel Engines
This hose belongs to the Hoses, Pipes, and Tubes category, meaning it’s designed to work with coolant and withstand varying temperatures under the hood. The hose’s construction is adapted to the specific routing within the BMW E90 engine bay, ensuring:
- original hose routing relative to other components,
- proper positioning relative to moving and hot parts,
- appropriate rigidity and flexibility at mounting points.
This allows for an organized installation without the need to modify other cooling system components or engine accessories.
Benefits of Using an Original Coolant Hose
Choosing a coolant hose specifically designed for the BMW E90 with the M57N2 engine allows you to maintain operating parameters close to factory specifications. Key benefits include:
- precise fit for the diesel engine – the hose is designed for diesel engines, facilitating integration with the existing cooling system,
- maintenance of the original coolant flow path,
- reduced risk of stress and leaks resulting from the use of incorrectly shaped parts.
This solution is particularly beneficial for servicing vehicles used intensively, where stable engine operating temperature directly impacts its lifespan and running smoothness.
Item Condition and Service Application
The BMW coolant hose pipe has been classified as a used part, making it a sensible option for repairs where functionality and cost control are important. This type of part is suitable for both replacing a damaged hose and for a comprehensive cooling system overhaul in the M57N2 engine, provided it is installed correctly and with the appropriate coolant.
Before installation, a standard check of connection seals and the condition of cooperating elements (clamps, spigots, connectors) is recommended to ensure the entire system operates cohesively and without faults.
Other BMW Hoses, Pipes, and Tubes and Technical Materials
If you also need other components from the Hoses, Pipes, and Tubes category dedicated to this brand, check out the BMW hoses, pipes, and tubes available in our assortment to complete the entire system according to manufacturer requirements.
For users interested in a broader approach to vehicle servicing, including lighting selection, we also recommend the practical guide: See More and Better – A Complete Guide to Selecting and Replacing Used LED and Xenon Headlights, which helps in making informed choices about original BMW components and related electrical parts.






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