BMW E60 E90 E91 F10 Radiator Coolant Pipe Hose Line 7557364

BMW E60 E90 E91 F10 Radiator Coolant Pipe Hose Line is an original component from the Cooling system pipes and hoses group, designed for use in popular BMW 5 and 3 series models. Thanks to its factory-spec geometry and precise fitment to the cooling system, it ensures stable coolant flow and supports safe heat dissipation from the engine.

Specifications and technical data

• SKU: 7557364
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7557364
• Substitutable numbers: 7557364, 11717557364
• Category: Coolant Hoses

Purpose and function in the cooling system

The radiator coolant pipe in a BMW is responsible for transporting coolant between key system components, such as the radiator, engine block, or intermediate connectors. The correct shape and cross-sectional diameter allow for maintaining proper pressure and flow, which reduces the risk of engine overheating and supports stable engine operation across a wide range of loads.

For BMW E60, E90, E91, and F10 models, a correctly selected coolant pipe is essential for:

• maintaining the integrity of the cooling system,
• proper coolant circulation at high operating temperatures,
• reducing stress resulting from engine vibrations and operation.

Construction and fitment for BMW

The offered component comes from the BMW OE line, which means it adheres to factory manufacturing standards and is compatible with the original cooling system. The shape of the pipe is adapted for routing within the engine bay so that it does not interfere with other components and allows for proper mounting in the original brackets.

The pipe material is specifically selected for operation at elevated temperatures and in contact with coolant, which translates into resistance to cracks, surface crazing, and deformation resulting from heating and cooling cycles.

Benefits of using an original BMW pipe

Using a pipe from the Cooling system pipes and hoses group dedicated to specific BMW models helps minimize common issues related to leaks and poor fitment of aftermarket replacements. The most important advantages include:

• factory fitment to connectors and mounts in the engine bay,
• preservation of the coolant flow path designed by the manufacturer,
• stable cooling system operation under both city and highway driving conditions.

The item in used condition can be a cost-effective solution while maintaining original specifications, especially for maintenance repairs or restoring vehicle functionality after a cooling system failure.

Practical installation and maintenance tips

When replacing a radiator coolant pipe in a BMW, it is worth paying attention to the condition of the clamps, connectors, and other hoses within the system. It is recommended to:

• check for leaks after the engine first reaches operating temperature,
• monitor coolant levels after bleeding the system,
• perform a visual inspection for any signs of leakage around the joints.

It is good practice to periodically check the flexibility of the hoses and the condition of the outer surface – this allows for early detection of wear signs and prevents sudden failures related to coolant loss.

Expanding knowledge about the cooling system

To better understand the impact of coolant pipes and the radiator on engine durability, it is worth reading the guide on diagnostics and common symptoms of engine overheating in cars of various brands, including BMW. A detailed discussion can be found in the article Engine cooling system – overheating, repair, and used radiators, which describes practical aspects of operating and servicing cooling systems.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional pipes, return hoses, or sections connecting the radiator to the engine, check the available parts in the BMW cooling system pipes and hoses category.