EGR Valve BMW F10 F20 F30 E90 E91 LCI Exhaust Cooler Diesel N47N 7810751

EGR Valve BMW F10 F20 F30 E90 E91 LCI Exhaust Cooler Diesel N47N is an original exhaust gas recirculation system component designed for BMW diesel engines. Thanks to its precise construction, it ensures stable engine operation, correct routing of exhaust gases to the EGR cooler, and compliance with emission standards. This is a solution for users who expect factory-fit quality and predictable EGR system performance in daily operation.

Specifications and technical data

• SKU: 7810751-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810751
• Substitutable numbers: 11717810751, 7810751, 11717810871, 7810871, 11717805447, 7805447
• Fuel type: Diesel
• Category: Other Exhaust & Emission Parts

Purpose and function in the EGR system

The presented EGR valve with exhaust cooler is a component of the exhaust gas flow control system in a diesel engine, responsible for directing a portion of the exhaust gases back for re-combustion after prior cooling. In BMW F10, F20, F30, E90, and E91 vehicles with the N47N unit, it is responsible for:

• controlling the amount of exhaust gas returned to the intake manifold,
• working with the exhaust cooler to lower gas temperatures,
• stabilizing engine operation across various load ranges,
• maintaining proper exhaust emission parameters.

By using an original BMW solution, the exhaust gas recirculation system maintains proper flow characteristics, which translates into repeatable performance and predictable engine response to load.

Compatibility with the diesel engine

The component has been designed to work with diesel engines where the EGR system is an integral part of the emission control system. The design of the valve and exhaust cooler is adapted to the operating parameters of the N47N engine, including:

• temperatures occurring in the exhaust duct,
• pressures in the exhaust and intake systems,
• engine control unit requirements regarding flow regulation.

Selecting the correct EGR component for a specific engine unit is crucial for maintaining stable fuel injection system operation, correct fuel dosing, and reducing phenomena such as excessive smoke or power loss.

Characteristics of the original BMW component

The original BMW EGR valve with exhaust cooler has been developed to maintain factory flow and sealing parameters. In practice, this means:

• precise fitment to intake and exhaust manifolds and lines,
• compatibility with the factory engine control unit without the need for software modifications,
• adherence to the valve opening and closing characteristics specified by the manufacturer.

Choosing an original component reduces the risk of adaptation issues, engine control unit errors, and leaks in the exhaust gas recirculation system, which is particularly important in modern diesel engines.

Component condition and service application

The product is offered as a used part, which allows for an economical repair of the EGR system while maintaining the original manufacturer's specifications. This type of solution is often chosen in situations where:

• replacement of a damaged valve or exhaust cooler is necessary,
• there are errors related to EGR operation and a drop in system efficiency,
• leaks or exhaust flow disturbances occur in the cooler area.

Before installation, it is recommended to perform a standard verification of the intake and exhaust systems and check the proper operation of other EGR components to restore consistent operation of the entire system.

System expansion and selection of other components

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 additional valves, exhaust pipes, or mounting elements, check the available parts in the Other BMW category.

When selecting components for modern diesel engines, it is also worth paying attention to the design differences between sports and standard engine versions. In this context, an article discussing the characteristics of high-performance units and their accessories, available at the link Audi RS vs other models – what is hidden under the hood and chassis?, may be helpful, as it allows for a better understanding of the relationships between the exhaust system, exhaust cooling, and performance.