Coolant Hose BMW E82 E90 E91 Expansion Tank Oil Cooler Pump Pipe Line 7797260

Coolant Hose BMW E82 E90 Expansion Tank Oil Cooler Pump Pipe Line is an original cooling system component designed for BMW diesel engines. Thanks to its precise fit to the factory installation, it ensures stable coolant flow and supports the safe operation of the power unit. This solution is particularly beneficial when servicing the cooling system in Diesel engine vehicles, where thermal requirements are higher, and the tightness and geometry of the lines are crucial for reliability.

Specifications and technical data

• SKU: 7797260-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797260
• Substitutable numbers: 17127797260, 7797260, BG
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

Coolant Hose BMW E82 E90 Expansion Tank Oil Cooler Pump Pipe Line operates in the coolant circuit between key engine components and accessories. It is responsible for directing the fluid, maintaining proper pressure, and minimizing flow losses. In diesel units, where higher thermal loads are generated, properly selected hoses and pipes allow for maintaining a stable operating temperature, which translates into the longevity of the engine, turbocharger, and accessory components.

The element belongs to the Lines, hoses, and pipes group, which means it is designed to work in a coolant environment, taking into account resistance to temperature changes, vibrations, and typical operational loads in BMW vehicles.

Compatibility with BMW Diesel engines

The presented coolant hose is intended for BMW vehicles with diesel engines. In practice, this means:

• maintaining the appropriate flow geometry for diesel units,
• adaptation to the characteristic operating temperatures of Diesel engines,
• consistency with the factory cooling system used in BMW E82 and E90 series models.

Thanks to this, the element can be used both for standard replacement of worn hoses and for broader cooling system service, where a secure fit to the original BMW installation is essential.

Characteristics and advantages of using BMW parts

Coolant hoses used in BMW vehicles are designed to maintain adequate rigidity and resistance to material fatigue. In practice, this translates into:

• stable coolant flow without uncontrolled kinks or constrictions,
• reducing the risk of leaks at critical points in the system,
• compatibility with factory mounts and brackets in the engine bay.

Choosing an original BMW coolant hose allows you to maintain the factory routing logic, which facilitates installation and subsequent maintenance. This is particularly important in modern diesel units, where space in the engine bay is limited and every component has a strictly defined position.

Condition, origin, and service aspect

The offered element comes from the BMW parts group and is classified as used, which allows for economical cooling system repair while maintaining the manufacturer's original specifications. Such components are often chosen in situations where the priority is to maintain compliance with the factory design while optimizing service costs.

Before installation, a standard service procedure is recommended: leak testing, verification of sealing surfaces, and checking the condition of sockets and mounts in the vehicle. A properly installed coolant hose restores the correct coolant circulation and supports stable engine operation across the full load range.

Expanding BMW cooling system service

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional coolant lines, flexible hoses, or rigid guide pipes, check the available parts in the BMW lines, hoses, and pipes category.

For drivers who want to better plan their vehicle maintenance budget and are looking for practical tips on economical operation, a guide dedicated to optimizing mechanical and body repair costs may be helpful – it is worth reading the material: Economical operation of a Ford – where to look for the greatest savings in mechanical and body repairs.