Coolant Hose BMW X3 F97 X4 F98 Water Pump Cooling Pipe Line 8054854

Coolant Hose BMW X3 F97 X4 F98 Water Pump Cooling Pipe Line is an original BMW component designed for precise coolant routing within the water pump area. This used component from the Cooling system hoses and pipes category allows for a technically correct repair of the cooling system without the need to resort to aftermarket replacements with uncertain specifications.

Specifications and technical data

• SKU: 8054854
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8054854
• Substitutable numbers: 8054854, 17128054854
• Category: Coolant Hoses

Purpose and function in the cooling system

This coolant hose is designed for BMW X3 F97 and X4 F98 models, where it is responsible for a stable connection between the water pump and other components of the fluid circuit. A properly selected hose ensures:

• maintaining the tightness of the cooling system under typical engine thermal loads,
• proper coolant flow towards the water pump,
• reducing the risk of engine overheating resulting from leaks or hose deformation.

Thanks to its factory fitment for the specific generation of X3 and X4, the hose maintains the correct routing geometry, which minimizes stress and limits the possibility of rubbing against adjacent engine bay components.

Original BMW construction and installation fitment

As a component originating from the BMW production line, the hose features a design consistent with the vehicle manufacturer's requirements. This means:

• the use of material selected for operation at elevated temperatures and in contact with coolant,
• factory ends adapted to standard water pump connectors and other components,
• geometry allowing for installation in original routing points without modifications.

Such a solution facilitates service and allows for maintaining the consistency of the entire cooling system with the vehicle's factory technical documentation, which is particularly important during further inspections and diagnostics.

Used condition and service aspects

The item is offered in used condition, which provides a favorable compromise between repair costs and maintaining original build quality. When selecting a hose of this type, it is worth paying attention to:

• the absence of visible cracks, delamination, and excessive deformation,
• the condition of the surface in areas interacting with clamps and connectors,
• the overall flexibility of the material, which is important for compensating for engine vibrations.

Replacing the water pump hose is recommended during any major intervention in the cooling system, especially when there are signs of leaks, drops in fluid levels, or engine overheating.

Benefits of using an original coolant hose

Using an original hose in the BMW X3 F97 / X4 F98 translates into a number of practical service benefits:

• secure fitment to standard mounts and guides,
• stable operating parameters under typical operating conditions,
• easier diagnostics of potential cooling system faults in the future.

For workshops and users who care about consistency with the manufacturer's documentation, this is a solution that promotes maintaining predictable engine thermal properties and reducing the risk of unplanned vehicle downtime.

Expanding cooling system maintenance and additional materials

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

To better plan your service and understand the impact of temperature on component durability, it is worth checking out our guide on cooling system operation at high temperatures: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.