BMW E60 E87 E90 Exhaust Manifold EGR Gas Cooler M47N M57N 7790065

The BMW E60 E87 E90 M47N M57N EGR Cooler 7790065 is an original exhaust gas recirculation system component designed for BMW diesel engines in the 3, 5, and 1 Series. Its factory-designed construction ensures stable heat dissipation from exhaust gases, supporting proper EGR operation and reducing thermal load on the engine. This is a practical solution for users seeking a proven EGR exhaust cooler tailored to specific M47N and M57N engine versions.

Specifications and technical data

• SKU: 7790065
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7790065
• Substitutable numbers: 11717790065, 7790065
• Category: Manifolds & Headers

Intended Use and Compatibility with BMW Models

The EGR exhaust cooler offered here is designed for BMW M47N and M57N engines used in popular BMW E60, E87, and E90 models. Its construction matches the manufacturer's original solutions, making it easy to install in place of a worn-out component without requiring modifications to the exhaust system or EGR system.

By maintaining the original geometry of the flow channels and connections, this component works seamlessly with the stock exhaust manifold and cooling system, preserving optimal engine operating parameters under typical driving conditions.

Technical Characteristics and Function in the Exhaust System

The EGR exhaust cooler falls under the category of exhaust manifolds as it directly interacts with the section of the system that directs exhaust gases from the engine. Its purpose is to lower the temperature of exhaust gases directed to the EGR valve, which contributes to:

• Reducing the thermal load on intake system components,
• Stabilizing EGR valve operation under prolonged load,
• Maintaining appropriate exhaust emission parameters within the manufacturer's specifications.

A properly selected EGR exhaust cooler helps mitigate the risk of overheating components associated with the recirculation system, leading to more predictable engine operation in the long run.

Benefits of Using an Original EGR Exhaust Cooler

Replacing a worn-out component with a factory-original solution offers several practical advantages:

• Installation Compatibility – direct fit for stock mounting points and connections in M47N and M57N engines within E60, E87, and E90 chassis.
• Integration with the Exhaust System – works with the original exhaust manifold and exhaust pipes without the need for adaptations.
• Maintenance of Original EGR Performance – preserves the manufacturer-specified exhaust flow and cooling.

For users modernizing or servicing their BMW's exhaust system, choosing such a component allows for the restoration of correct exhaust gas recirculation function without altering the engine's design.

Product Condition and Service Application

The offered EGR exhaust cooler is a used part, making it an attractive cost-effective alternative to new components. This type of part is suitable for both standard replacement of a worn-out item and comprehensive exhaust system servicing for vehicles with high mileage.

Before installation, standard service procedures are recommended: checking system seals, verifying the condition of exhaust pipes, and confirming proper EGR valve operation to fully leverage the potential of the installed cooler.

More About BMW Manifolds and Exhaust Systems

If you are looking for more information on how used exhaust system components affect engine performance and durability, we recommend reading the guide on our blog. Practical tips on selection and operation can be found in the article: Performance Exhaust Systems – Used Manifolds and Sport Catalytic Converters on the Road.

If you need other BMW exhaust manifolds tailored to different models and engine versions, check out our dedicated category: BMW exhaust manifolds.