BMW 1 3 Series E87 E90 E91 120d 320d M47N2 Turbo Charger Turbocharger Housing

The BMW 1/3 Series E87 E90 E91 120d 320d M47N2 Turbocharger Housing is a used turbocharger and parts component for the M47N2 diesel engine. It's a solution for owners who want to restore the turbocharger system's performance in their BMW 1 and 3 Series models while maintaining the engine's factory operating characteristics.

Specifications and technical data

• SKU: 7795499-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7795499
• Substitutable numbers: 11657795499, 7795499, 11654716166, 4716166
• Category: Turbos & Parts

Purpose and compatibility

This turbocharger housing for the BMW 120d and 320d with the M47N2 engine is designed to fit selected E87, E90, and E91 models. By retaining the original geometry and mounting points, it can be installed in place of the factory component without requiring modifications to the exhaust or intake system.

The housing is the base for further installation of the rotor, central body and accessories, allowing the reproduction of the turbocharger operating parameters in line with the manufacturer's factory assumptions.

Technical characteristics of the turbocharger housing

The turbocharger housing in the M47N2 engine is responsible for the proper routing of exhaust gases through the hot side and for the stable mounting of the entire assembly to the engine. A properly selected housing:

• ensures proper exhaust gas flow, which translates into stable build-up of boost pressure,
• maintains the correct position of the rotor relative to the exhaust gas channels,
• enables correct sealing of connections with the exhaust manifold and the rest of the system.

By maintaining the factory housing design, it is possible to maintain stock engine performance without the risk of undesirable changes to the charging characteristics.

Item condition and practical use

The turbocharger housing is a used part, sourced from a disassembly. This type of component is particularly useful in situations where the existing turbocharger has suffered mechanical damage, cracks, or excessive corrosion, but the remaining components (e.g., impeller, central housing) are still suitable for further use or refurbishment.

Choosing the housing you use allows you to:

• reduction of repair costs compared to purchasing a complete new turbocharger,
• maintaining the original specifications of the supercharging system,
• flexible approach to regeneration – possibility of selecting new or regenerated internal components.

Benefits of using the original BMW housing

The original BMW turbocharger housing ensures a factory fit for the M47N2 engine and compatibility with stock components. In practice, this means:

• correct fit with the exhaust manifold and intake system,
• maintaining the mounting points provided by the manufacturer,
• easier installation for the mechanic and lower risk of leaks.

For workshops specializing in BMW servicing and users who care about the technical correctness of the repair, this is a solution that allows maintaining the integrity of the entire drive system.

Other BMW turbochargers and turbocharger housings

If you're looking for other turbochargers and turbocharger parts for BMW, check out our dedicated category: BMW Turbochargers and Parts . You'll find a wide selection of parts for various models and generations, making it easy to choose the right component for your specific engine.

Used parts and service cost optimization

Using used parts, such as a turbocharger housing, is a way to rationally reduce repair costs while maintaining an appropriate level of quality. For other brands, such as Mini, a similar approach also allows for combining aesthetics and functionality with a reasonable budget – you can find more on this topic in the article: Used Mini Cooper Car Parts – A Way to Style and Savings .

Summary

This turbocharger housing for BMW 1 and 3 Series models with the M47N2 engine is ideal for those who want to restore the performance of their turbocharger system using an original, used part. Maintaining the factory design simplifies installation, promotes stable engine operation, and allows for cost-effective turbocharger reconditioning while maintaining proper operating parameters.