Water Coolant Pump BMW F01 F07 F10 F11 LCI Auxiliary Engine 9230234

Water Coolant Pump BMW F01 F07 F10 F11 LCI Auxiliary Engine is an original cooling system component from the Water pumps group, designed for facelifted BMW 5 and 7 series models. The auxiliary pump supports coolant circulation in critical areas of the engine and auxiliary systems, improving temperature stability and the operating comfort of the powertrain.

Specifications and technical data

• SKU: 8511748
• 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 of the auxiliary water pump

The auxiliary water pump in BMW F01, F07, F10, and F11 LCI models is responsible for supporting the main cooling circuit, especially under increased engine load or when comfort systems are in operation. Maintaining proper coolant flow is crucial for the longevity of the powertrain, temperature stability, and reducing the risk of overheating.

This component is particularly important in modern BMW designs, where the cooling system works in conjunction with advanced control electronics and additional heat receivers. An efficient auxiliary water pump helps maintain predictable engine operating parameters and ensures uniform heat dissipation.

Construction, color, and BMW fitment

The presented auxiliary water pump is part of the BMW OE group, which means factory-standard fitment for the intended F-series models. The black housing facilitates integration with other engine bay components, maintaining a consistent, factory-original look for the installation. The design is intended for mounting in original attachment points, without the need for mechanical installation modifications.

Thanks to the use of original port and connector geometry, the pump works with factory coolant hoses and the electrical harness, which reduces installation time and minimizes the risk of leaks. This solution is particularly beneficial when servicing vehicles used intensively or in demanding conditions.

Condition, origin, and technical aspects

The offered auxiliary water pump is a used component, sourced from dismantling, intended for demanding users looking for a reasonable compromise between cost and functionality. Choosing an original pump from the secondary market allows you to maintain the factory operating parameters of the cooling system while reducing expenses compared to a new part.

The product is assigned to the BMW brand and has a dedicated OEM part number and interchangeable numbers, which facilitates precise identification via manufacturer catalogs or the VIN number. This allows you to verify compatibility with a specific engine version and vehicle model year, reducing the risk of selecting the wrong component.

Benefits of using an original BMW pump

Using an original auxiliary water pump in a BMW F01, F07, F10, and F11 LCI ensures:

• factory fitment to the cooling system without the need for installation modifications,
• stable coolant flow in areas requiring an additional circuit,
• consistency with the operating parameters of engine controllers and auxiliary systems,
• easier diagnostics and service thanks to compliance with manufacturer documentation.

For users who value predictability and compliance with the manufacturer's design assumptions, choosing an original pump from the Water pumps group is a technically safe and long-term cost-effective solution.

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 auxiliary pumps, coolant circuit components, or cooling support modules, check the available parts in the BMW Water pumps category.

Selection by numbers and service knowledge

For the correct selection of an auxiliary water pump, it is worth using the OEM part number and interchangeable numbers, which allow for the unambiguous linking of the component to a specific vehicle configuration. This is especially important in the case of facelift (LCI) models, where there are design differences compared to earlier versions.

To better understand the relationships between pumps, injectors, and other fuel and cooling system components, the guide article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration" may be helpful, which discusses, among other things, the principles of diagnostics, selection by OEM numbers, and good operational practices.