Mini Cooper One D R55 R56 LCI N47N Engine Turbocharger Turbo Housing Part

The N47N engine turbocharger housing for Mini Cooper One D R55/R56 LCI is an original part designed for professional repair of the boost system. Thanks to its factory geometry and precise fit, it ensures stable turbocharger operating conditions and proper exhaust gas flow. This is a solution for users looking for a proven OEM part instead of random replacements.

Specifications and technical data

• SKU: 7812318-1
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 7812318
• Substitutable numbers: 11657812318, 7812318, 11658506724, 8506724

Application and Function in the Boost System

The turbocharger housing in the N47N engine is responsible for sealing the exhaust gas flow through the turbine wheel and correctly shaping the intake channels. A properly selected component allows for maintaining:

• appropriate boost pressure across the entire RPM range,
• correct throttle response characteristics,
• stable engine operation under load.

By adhering to factory assembly tolerances, the housing works with other turbocharger components without requiring modifications.

Original Mini Part – Advantage over Replacements

The presented turbocharger housing for Mini Cooper One D R55/R56 LCI is an OEM class component, meaning full compliance with the manufacturer's factory specifications. In practice, this translates to:

• secure fit with the turbocharger body and exhaust manifold,
• preservation of original power and torque characteristics,
• no need for mounting adaptations or exhaust system modifications.

For users considering the choice between an original part and a replacement, we recommend the article 5 Reasons Why a Used OEM Part Can Be a Better Choice Than a Replacement, which simply explains the differences in durability, fit, and operating costs.

Condition, Selection, and Installation Aspects

The part is offered in used condition, allowing for economical turbocharger repair while maintaining original manufacturing quality. This is a good solution for:

• reconditioning an existing turbocharger,
• local body damage (cracks, deformations, burns),
• the need to restore factory exhaust channel geometry.

Part selection should be based on the OEM number or interchangeable numbers – all this data is detailed in the product's technical specifications. This facilitates cooperation with the workshop and minimizes the risk of purchasing an incompatible part.

Benefits of Using an Original Turbocharger Housing

Using this housing in the Mini Cooper One D R55/R56 LCI restores proper boost system operation without interfering with the engine's construction. Key benefits include:

• factory fit with other turbocharger and exhaust system components,
• maintenance of original engine operating parameters,
• possibility of use in the professional turbocharger reconditioning process.

For those planning more extensive service work on the diesel engine, the guide on selecting and servicing fuel system components may also be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Reconditioning.

Summary

The Mini Cooper One D R55 R56 LCI – N47N engine turbocharger housing is a practical solution for drivers and workshops aiming to restore boost system functionality using an original part. A used OEM component allows for cost control while maintaining factory engine performance characteristics, which is particularly important in modern Mini diesel engines.