BMW E81 E87 LCI 116i N43 Engine Cooling Radiator Water Hose Pipe Petrol 7577964

BMW E81 E87 LCI 116i N43 Engine Cooling Radiator Water Hose Pipe Petrol is an original cooling system component designed for BMW models with petrol engines. The carefully engineered shape of the hose ensures stable coolant flow and a secure fit to the factory mounting points in the engine bay.

Specifications and technical data

• SKU: 7577964-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7577964
• Substitutable numbers: 17127577964, 7577964
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and function in the cooling system

The water pipe, part of the Cooling system hoses and pipes category, is responsible for transporting coolant between key engine components and the radiator. The correct cross-section and routing of the hose reduce the risk of flow turbulence, which promotes a stable operating temperature for the engine and reduces the load on other system components.

The element was designed specifically for petrol-powered BMW E81 and E87 series cars, allowing for the preservation of factory cooling characteristics and compatibility with original clamps and connectors.

Benefits of using an original BMW hose

Using an original BMW water hose instead of a worn or leaking component helps restore proper coolant circulation and reduces the risk of engine overheating. Compared to aftermarket replacements, the factory shape and length of the hose facilitate installation and minimize material stress during engine operation.

The main advantages of this solution include:

• maintaining the factory geometry of coolant routing,
• better fit to standard brackets and connectors,
• consistency with other components of the BMW petrol cooling system.

Performance characteristics and installation

The water hose is designed to operate in high-temperature and variable-pressure environments typical of BMW petrol engines. The appropriate material flexibility facilitates installation in a tight engine bay while ensuring the shape remains stable during operation.

As a used part, the hose is an economical solution for drivers who want to restore the efficiency of the cooling system while maintaining the manufacturer's original specifications. It is a practical choice for routine repairs, replacing a damaged hose, or diagnosing coolant loss issues.

Compatibility with BMW petrol cooling systems

The water pipe has been developed to work with BMW petrol engines, meaning it is matched to the characteristic operating temperatures and system pressures. This makes it possible to maintain stable operation of the thermostat, water pump, and radiator without the need for system modifications.

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

Technical support and knowledge about the cooling system

To better understand how the condition of water hoses affects engine safety at high temperatures, it is worth consulting practical guide materials. An article describing the impact of summer heat on the cooling system and the potential for savings when using used components may be particularly useful – you can find it here: Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

Summary

BMW E81 E87 LCI 116i N43 Engine Cooling Radiator Water Hose Pipe Petrol is a practical choice for users who want to restore proper coolant circulation while maintaining original BMW specifications. The perfect fit for petrol engines, correct geometry, and compatibility with the factory cooling system make it a technically consistent and cost-effective solution for maintenance repairs.