Water Coolant Pump BMW F01 F07 F10 F11 LCI N47N N57N Auxiliary Engine 8511748

Water Coolant Pump BMW F01 F07 F10 F11 LCI N47N N57N Auxiliary Engine is an original cooling system component designed for F-series models, ensuring stable heat dissipation from the engine. This used OEM BMW water pump is a solution for drivers who expect factory fitment, predictable performance, and compatibility with the vehicle's electronics. By maintaining the original design, the pump supports safe operating temperatures for the power unit and reduces the risk of overheating.

Specifications and technical data

• SKU: 8511748-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8511748
• Substitutable numbers: 11538511748, 8511748, 64119230234, 9230234, 11538843815, 8843815
• Color: Black
• Category: Water Pumps

Purpose and function in the cooling system

The water pump in BMW F-series models is responsible for the forced circulation of coolant between the engine block, cylinder head, and radiator. A properly functioning component in this group:

• stabilizes the engine's operating temperature across a wide range of loads,
• reduces the risk of localized overheating and thermal deformation,
• supports uniform heating and cooling of the power unit,
• indirectly influences the durability of engine oil and sealing elements.

Selecting a water pump that complies with BMW's factory specifications allows for maintaining the operating parameters intended by the vehicle manufacturer, which is particularly important in modern high-power-density units.

Original origin and BMW fitment

The offered BMW water pump comes from the OEM parts line, which means it retains factory geometry, mounting points, and flow characteristics. As a result:

• it fits the intended mounting locations in the engine bay without modifications,
• it works with stock hoses, connectors, and cooling system components,
• it is compatible with the vehicle's factory control and diagnostic parameters.

The original construction translates into predictable behavior during operation and easier diagnostics in the event of potential cooling system failures.

Visual characteristics and construction

The pump housing is finished in black, which matches the typical style of components installed in the BMW engine bay. This color scheme facilitates visual integration with other components and allows for quick detection of potential coolant leaks during inspections.

The used nature of the part means that the item has been previously operated, but it retains functionality suitable for further use after proper installation and bleeding of the cooling system.

Benefits of using an original water pump

Using a water pump from the Water Coolant Pump group dedicated to the BMW F-series provides a number of practical benefits:

• factory fitment for a specific vehicle generation,
• consistency with the cooling system operating parameters intended by the manufacturer,
• reduced risk of installation issues compared to aftermarket replacements of uncertain origin,
• easier identification in service catalogs thanks to compliance with OEM part numbers.

This solution is particularly recommended for preventive repairs when other cooling system components, such as hoses or the thermostat, are also being replaced.

Installation and operational recommendations

When replacing the water pump, it is worth ensuring:

• the use of coolant with parameters compliant with BMW recommendations,
• thorough bleeding of the system after installation,
• verification of tightness after the first engine heating and cooling cycles.

This approach allows you to fully utilize the potential of the offered pump and minimize the risk of needing further intervention in the cooling system.

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 auxiliary pumps, housings, or mounting elements, check out the available parts in the BMW Water Coolant Pump category.

To better understand the relationships between the cooling system and other engine components, as well as the impact of operating temperature on the durability of the power unit, it is worth consulting the service guide regarding the fuel system – a detailed discussion on diagnostics, selection by part numbers, and regeneration can be found in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration".

Additionally, when planning work related to engine cooling, material describing typical symptoms of overheating and the impact of radiator efficiency on the lifespan of the power unit may be helpful – practical tips can be found in the article "Engine cooling system – overheating, repair, and used radiators".