BMW 3 X3 E46 M47N M57N E83 M47N2 Turbo Charge Air Cooler Intercooler 7789793

BMW 3 X3 E46 M47N M57N E83 M47N2 Turbo Charge Air Cooler Intercooler is an original BMW turbocharging system component designed for installation at the rear of the vehicle. It ensures stable reduction of intake air temperature, which translates into more efficient engine operation and safe operating conditions across a wide range of loads.

Specifications and technical data

• SKU: 7793370
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7793370
• Substitutable numbers: 17517793370, 7793370, 17517789793, 7789793
• Location on the vehicle: Rear
• Category: Intercoolers

Purpose and function in the turbocharging system

The presented intercooler is a component designed to work with diesel engines from the M47N, M47N2, and M57N families, where it is responsible for intensive heat exchange between the compressed air and the environment. Thanks to its placement at the rear of the vehicle, the system can utilize optimized airflow and a well-thought-out intake duct architecture, which promotes stable engine operation under long-term load.

A functional intercooler limits the risk of intake air overheating, supports the maintenance of proper pressure in the intake manifold, and helps maintain repeatable performance in daily use. This is particularly important in cars used on highways, for towing, or in urban conditions with frequent acceleration.

Construction, placement, and vehicle integration

The cooler has been designed as an element of the factory BMW turbocharging system, which ensures precise fitment to mounts, hoses, and aerodynamic shields. Placement on the vehicle: rear allows for effective use of the structural space and an optimized airflow path from the turbocharger to the intake manifold.

As a part from the Intercoolers group, the intercooler works with other components of the intake air cooling system, creating a coherent system designed for specific BMW models. This maintains correct flow geometry and minimizes the risk of leaks when installed correctly.

Benefits of using an original intercooler

Using an original BMW component instead of a worn or leaking cooler brings a number of measurable operational benefits:

• maintaining a stable intake air temperature across a wide range of engine loads,
• reducing power drops resulting from overheating of the intake system,
• better performance repeatability during longer drives under load,
• preservation of the factory characteristics of the powertrain.

High-quality workmanship typical of OEM BMW parts promotes long-term, predictable system operation. For vehicles operated in high ambient temperatures, it is worth checking out our guide on the impact of summer heat on the cooling system and the cost-effectiveness of using used coolers and fans to better plan your car's service profile.

Characteristics as a used part

The offered intercooler is a used part, which is an attractive solution for users looking for a compromise between cost and functionality. A properly selected component from the secondary market allows for restoring the efficiency of the turbocharging system without the need to invest in a new assembly, while maintaining the original design specifications.

Choosing a used intercooler also fits into the trend of responsible, more sustainable vehicle operation. If you want to learn more about the advantages of this approach, it is worth reading our article on the ecological and economic benefits of installing used car parts.

Application in BMW service and upgrades

BMW 3 X3 E46 M47N M57N E83 M47N2 Turbo Charge Air Cooler Intercooler will prove useful both for standard replacement of a worn component and for comprehensive turbocharging system maintenance at a specialized BMW service center. Thanks to its factory origin, the part allows for compliance with the vehicle's technical documentation and facilitates the work of mechanics who do not have to adapt universal solutions.

If you are planning broader maintenance of the intake or intake air cooling system in your BMW, it is also worth browsing other products in the Intercoolers{data-blogs=category} category to select a set of components matched to your specific engine configuration and driving style.