Engine Water Pump BMW E90 LCI F10 F20 F30 Diesel N47N Coolant Water Unit 8516204

BMW E90 LCI F20 F21 Diesel Water Pump N47N is an original part from the Water Pumps category, designed for BMW diesel engines. A used OEM water pump ensures proper coolant circulation, stabilizing the engine's operating temperature and supporting the safe operation of a modern diesel engine.

Specifications and technical data

• SKU: 8516204-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8516204
• Substitutable numbers: 11518516204, 8516204, 11517810833, 7810833
• Fuel type: Diesel
• Category: Water Pumps

Intended Use and Compatibility with N47N Engine

The presented water pump is designed to work with the N47N engine in BMW 3 Series E90 LCI and 1 Series F20 and F21 diesel models. The OEM design guarantees a perfect fit for the factory cooling system, without the need for modifications or adaptations.

Selecting a water pump dedicated to a specific engine type is crucial for maintaining correct pressure and efficiency in the coolant circulation system, which translates to stable engine operating temperature, reduced risk of overheating, and even load distribution on other system components.

Technical Characteristics and Role in the Cooling System

The water pump in a diesel engine is responsible for forcing the circulation of coolant between the engine block, cylinder head, radiator, and other system components. This is particularly important for N47N units due to the high thermal loads typical of modern diesel engines.

The main advantages of using an original water pump include:

• factory fit to the engine block and accessories,
• maintaining the flow rate designed by the manufacturer,
• proper cooperation with a cooling system adapted for diesel engines,
• reduced risk of leaks resulting from imprecise fitting.

Therefore, replacing a worn-out part with an OEM component restores the correct operating parameters of the cooling system, which is important for both daily driving and under higher thermal loads, such as during highway driving.

Benefits of Using an Original Used BMW Water Pump

Choosing an original BMW water pump in used condition is a solution that combines cost control with maintaining factory specifications. An OEM part is designed for a specific engine and platform, which means it:

• ensures the correct positioning of connectors and mounting points,
• minimizes installation time compared to universal aftermarket replacements,
• maintains compliance with the factory operating parameters of the cooling system.

A used OEM water pump is particularly attractive for repairs where quickly restoring vehicle functionality is important while staying within a reasonable service budget, without compromising on the original manufacturer's design.

Selection by OEM Number and Powertrain

When selecting a water pump for a BMW E90 LCI, F20, or F21 diesel engine, it is advisable to use the OEM number and information about the engine type. This allows you to verify the part's compatibility with a specific N47N engine version and avoid installation issues. If in doubt, it is recommended to compare the data with the service documentation or the manufacturer's catalog.

To better understand the relationships between engine fuel and accessory components, as well as the principles of selecting components by OEM numbers, an article describing the fuel system, injectors, and pumps may be helpful – a detailed discussion can be found in the material Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

Practical Workshop Application and Parts Availability

For workshops and individual users, the ability to quickly replace a damaged water pump with a functional OEM part without waiting for long delivery times is important. Used original components reduce vehicle downtime, which is especially significant for vehicles used intensively.

If you plan to replace multiple components in the cooling system as part of a repair, such as additional pumps, connectors, or housings, it is worth considering a broader use of used OEM parts – you can find more information on how the availability of such components affects repair time in the article Immediate Availability of Car Parts vs. Repair Time – How Used OEM Parts Shorten Workshop Stays?.

If you need other parts from a category closely related to the cooling system in this brand of cars, such as additional pumps, housings, or mounting elements, check the available parts in the BMW Water Pumps category.