BMW 5 6 Series E60 E60N E61 E61N LCI E63 Hose Additional Water Pump Water Valve

BMW 5 6 Series E60 E60N E61 E61N LCI E63 Hose Additional Water Pump Water Valve is an original cooling system component designed for precise coolant routing in BMW engines. Thanks to its factory geometry and perfect fit for the specific E60 generation, the hose ensures a stable connection between system components and safe operation under varying thermal conditions.

Specifications and technical data

• SKU: 6923944
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 64216923944
• Substitutable numbers: 64216923944, 6923944
• Category: Hoses, Lines & Pipes

Purpose and function in the cooling system

The radiator water hose in the BMW E60 is responsible for the controlled flow of coolant between key system components. A properly selected hose:

• maintains connection tightness at high operating temperatures,
• minimizes the risk of leaks and pressure drops,
• supports stable operating temperatures for the engine unit.

Due to its design, which complies with BMW factory specifications, this component works with original connectors and clamps, facilitating installation and maintenance.

Construction and fitment for BMW

The offered hose belongs to the Hoses, pipes, and tubes group, which are components responsible for transporting operating fluids in the vehicle. The shape and connection diameters have been designed for the specific construction solutions of the BMW E60, which translates into:

• secure hose routing in the engine bay without tension,
• reduction of vibrations and friction against adjacent components,
• maintenance of proper cooling system flow.

Such fitment is particularly important in cars equipped with extensive engine accessories, where installation space is limited.

Characteristics of the used part

The item comes from disassembly and is marked as a used part. For many BMW users, this is a reasonable compromise between cost and maintaining the manufacturer's original specifications. In practice, this means:

• preservation of factory geometry and compatibility with the cooling system,
• the possibility of economical repair or replacement of a damaged hose,
• easier fitment compared to many universal aftermarket replacements.

Before installation, a standard visual inspection and verification of the condition of working surfaces and connection ends in accordance with the BMW service procedure is recommended.

Benefits of using an original BMW hose

Using a hose that complies with BMW factory solutions in the E60 model helps reduce typical problems associated with leaks and improper hose routing. In practice, the user gains:

• stable cooling system operation in both city and highway conditions,
• better compatibility with other system components,
• easier diagnostics of potential future faults.

This solution is particularly recommended when replacing a damaged or perished hose, especially when maintaining parameters close to factory standards is a priority.

Integration with other elements and additional information

If you are planning a broader cooling system service or an upgrade of related components, it is worth considering a review of other items from the hoses and tubes group in your BMW. To do this, you can use related products in the Hoses, pipes, and tubes category to select a consistent set of parts.

For owners of premium cars who also care about the vehicle's visual appearance, a guide on the regeneration and purchase of alloy wheels may also be helpful – you can find it in the article Used wheels like new – a guide to purchasing and regeneration, which will facilitate planning comprehensive work on your car.

The offered hose is an original BMW brand component, which for many users represents a significant advantage in terms of fitment and predictable behavior during long-term operation.