BMW E90 E91 LCI F10 F20 F30 EGR Exhaust Cooler Diesel N47N 7822350

BMW E90 E91 LCI F10 F20 F30 EGR Exhaust Cooler Diesel N47N is an original exhaust gas recirculation system component designed for BMW diesel engines. It ensures stable cooling of exhaust gases directed to the EGR valve, which helps maintain proper engine operating parameters and reduces emissions. This solution is particularly beneficial for intensive use, where durability and predictable system performance are essential.

Specifications and technical data

• SKU: 7822350-5
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7822350
• Substitutable numbers: 11717822350, 7822350
• Fuel type: Diesel
• Category: EGR Parts & Valves

Purpose and role in the EGR system

The EGR exhaust cooler in a Diesel engine is responsible for lowering the temperature of exhaust gases returned to the intake manifold. As a result, the air-exhaust mixture is cooler, which helps reduce nitrogen oxide formation, stabilizes the combustion process, and supports compliance with emission standards. In N47N units installed in BMW E90, E91 LCI, F10, F20, and F30 series, this component is precisely engineered to match the intake system and engine management.

A functional EGR exhaust cooler has a direct impact on:

• maintaining the proper temperature of exhaust gases directed to the EGR valve,
• reducing the risk of overheating components in the intake manifold area,
• stable engine operation across a wide range of loads,
• maintaining factory emission parameters.

Benefits of using an original BMW EGR cooler

The original exhaust cooler from the EGR valves and parts group is designed for a specific type of engine unit, which translates into a precise fit for the cooling and intake system. No modifications required, compatibility with factory mounts, and predictable behavior under high temperature and pressure conditions are key advantages compared to universal aftermarket replacements.

Choosing an original component allows for consistency with the factory engine control unit calibration, which is important both for standard operation and for subsequent software modifications. For users who value stable engine operating parameters and want to avoid diagnostic issues, this is a particularly beneficial solution.

Condition, origin, and practical application

The offered EGR exhaust cooler is a used component, sourced from a dismantled BMW vehicle. Such components are frequently chosen for maintenance repairs when the existing part has developed leaks, become clogged, or suffered mechanical damage. Replacing it with an original used part allows for cost reduction while maintaining compliance with factory specifications.

Due to the nature of its operation at high temperatures, the EGR exhaust cooler is one of the components that naturally wears out during use. In the event of symptoms such as coolant leaks near the EGR, smoke, or errors related to exhaust gas recirculation, replacing the cooler is one of the primary service steps.

Support for retrofits and BMW upgrades

For users planning to expand or upgrade their car, including in the context of retrofits, it is important to use components compatible with the vehicle's factory architecture. In the case of N47N units, using an original EGR exhaust cooler facilitates subsequent work related to software, diagnostics, and potential accessory modifications.

If you want to better understand how to use used OEM components when retrofitting and upgrading your car, it is worth checking out the guide on our blog: Retrofitting in BMW and VAG cars with used parts. You will find practical tips on how to plan modifications using parts from dismantling.

Repair economy and environmental aspect

Choosing a used EGR exhaust cooler is not only a saving compared to a new component but also real support for the circular economy. Reusing functional components reduces waste and lowers the demand for the production of new parts, which is significant both economically and ecologically.

If you are interested in how the use of used components – including components for BMW engines – affects the environment and service costs, take a look at the article: circular economy and used parts from dismantling. This is a good supplement to your knowledge when planning conscious repairs.

If you are planning a comprehensive repair or upgrade of the exhaust gas recirculation area in your BMW and need other elements from the same group, such as exhaust coolers, EGR valves, or recirculation pipes, check the available parts in the BMW EGR valves and parts category.