BMW E81 E87N E90 E91 LCI 118d 318d N47 116HP 143HP Turbocharger Turbo 7800594

Visual condition of the part

The product shows signs of use visible in the photos.

BMW E81 E87N E90 E91 LCI 118d 318d N47 116HP 143HP Turbocharger Turbo 7800594 is a used turbocharger from the Turbochargers & Parts category, designed for selected BMW models with the N47 engine. It's a solution for users looking for a proven, original component to restore the proper dynamics and smooth operation of the engine.

Specifications and technical data

• SKU: 7800594-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7800594
• Substitutable numbers: 11657800595, 7800595, 7800594, 11652433154, 2433154, 11652287497, 2287497
• Category: Turbos & Parts

Intended use and fit for BMW models

This turbocharger is designed for the popular 1st and 3rd generation E81, E87N, E90, and E91 LCI models with the 116 and 143 HP N47 diesel engine. Its factory-sourced design ensures proper integration with the intake, exhaust, and engine management systems, resulting in stable operating parameters and predictable engine behavior.

The original BMW turbocharger from this series is designed to maintain adequate boost pressure throughout the entire RPM range, which is crucial for engine responsiveness, fuel consumption, and exhaust emissions. Choosing a used OEM component allows you to maintain factory performance without the need for system modifications.

Construction and operating characteristics of a turbocharger

This turbocharger is a precision supercharging component, where carefully selected rotors, bearings, and exhaust and air passage geometry are crucial. The design is optimized for:

• quick boost build-up at low revs, which improves throttle response,
• maintaining stable pressure in the medium and higher rpm range,
• controlled operating temperature thanks to proper exhaust gas routing.

A properly selected turbocharger in the N47 engine directly impacts engine performance, reduces smoke emissions, and maintains nominal performance. Using an original turbocharger and parts solution minimizes the risk of compatibility issues between the engine control unit software and boost sensors.

Used condition – what to pay attention to when installing

The turbocharger offered is in used condition, meaning a standard workshop inspection is recommended prior to installation. This includes verifying rotor clearances, oil system tightness, and the condition of the control actuator. A properly prepared component can significantly reduce repair costs compared to a new part, while maintaining the factory design.

During installation, it is worth paying attention to:

• thorough flushing of oil lines and replacement of engine oil,
• checking the intake system for contamination,
• correct bleeding and first start-up, observing the start-up procedure after replacing the turbocharger.

This approach increases the chance of long-term and stable operation of the used turbocharger in the demanding operating conditions of a diesel engine.

Benefits of using an original BMW turbocharger

Choosing an original BMW turbocharger for the N47 engine brings a number of practical operational benefits:

• factory adjustment to the specific drive unit and controller software,
• maintaining stock power and torque parameters without the need to modify engine maps,
• consistency with other components of the charging system, such as the intercooler or control valves,
• easier diagnostics in the event of subsequent inspections and service, thanks to compliance with the manufacturer's documentation.

For users who want to restore the full functionality of the drive system in a BMW 1 or 3 Series, using an original turbocharger from the Turbochargers and Parts category is a technically safe and predictable solution in terms of the final result.

Related Drivetrain Components and Technical Knowledge

Replacing a turbocharger often involves assessing the condition of the entire drivetrain – from the engine and gearbox to the differential and axle. It's worth familiarizing yourself with practical tips for purchasing used drivetrain components to avoid additional costs and unplanned vehicle downtime. You'll find useful information in the article: Second-Hand Differential – A Guide to Used Differentials, Sensors, and Drivetrains .

If you are also considering other BMW turbochargers for various engine configurations, check out our dedicated category: BMW turbochargers , where you will find a wide selection of original solutions for popular models of this brand.