Mechanical Water Pump BMW E60 E87 E90 E91 LCI N47 Cooling Unit 7797640

The BMW E60 E87 E90 LCI N47 Water Pump is an original part from the Water Pumps category, designed for use in popular BMW models with the N47 engine after the facelift. This solution is for users seeking a proven, factory-standard design that ensures stable engine cooling and safe vehicle operation.

Specifications and technical data

• SKU: 7797640
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7797640
• Substitutable numbers: 11517807311, 7807311, 7797640
• Category: Water Pumps

Intended Use and Compatibility

The BMW E60 E87 E90 LCI N47 Water Pump is designed as a component of the cooling system in BMW vehicles equipped with the N47 engine after the body modernization (LCI). The pump's design is adapted to factory mounting points and original accessories, allowing for proper coolant circulation and maintaining the correct engine operating temperature.

Its original BMW origin means that the housing geometry, port diameters, and drive mechanism comply with the manufacturer's factory specifications. This ensures the pump works seamlessly with the standard radiator, hoses, and thermostat, without requiring any system modifications.

Construction and Performance Parameters

This series of water pump utilizes a proven mechanical design, where precise bearing support and appropriate sealing are crucial. This solution minimizes the risk of leaks and ensures stable operation at varying engine speeds.

Key performance features include:

• Factory fit for the cooling system in BMW models with the N47 engine after the facelift,
• Manufacturer-designed coolant flow, supporting uniform heat dissipation from the engine block and cylinder head,
• Construction prepared to work with the original engine accessory drive.

Benefits of Using an Original BMW Water Pump

Using a water pump from the BMW offering allows you to maintain cooling system operating parameters in line with the manufacturer's specifications. This directly impacts the durability of the engine, especially in diesel engines where stable operating temperature is crucial for the longevity of accessories and internal components.

By choosing this part, you gain:

• Certainty of mounting fit – no issues with geometry, bolt spacing, or port location,
• Consistency with the factory cooling system design – maintaining the coolant flow intended by BMW,
• Stable operation across a wide range of loads – from city driving to long highway journeys.

Condition and Service Application

The offered water pump is a used part, sourced from disassembly, making it an attractive cost-effective alternative to a new OEM component. It can be used for standard replacement of a worn-out pump as well as for major service work related to the cooling system or the N47 engine's accessories.

Due to its factory origin, the pump is well-suited as a replacement part for daily driven vehicles where predictable performance and compliance with original manufacturer specifications are important.

BMW Water Pumps – Selection and Alternatives

If you are looking for other BMW Water Pumps for your car, check out our dedicated category: BMW Water Pumps. There you will find various options for many models and generations, making it easier to match the part to your specific engine configuration.

When planning comprehensive service work, it is also worth expanding your knowledge about the operation of fuel systems and engine accessories. The article describing diagnostics and part selection by VIN and OEM number may be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. Although it concerns the fuel system, it covers universal issues related to the identification and selection of original components, which are also useful when working with the cooling system.