BMW E90 E91 E92 LCI 320d N47N Turbocharger Turbo Charger Part 8515188

The BMW 3 Series E90/E91/E92 LCI 320d N47N turbocharger is an original component of the turbocharging system designed for the N47N diesel engine in the facelift 3 Series models. A used OEM turbocharger ensures factory fit, correct operating parameters and stable engine performance.

Specifications and technical data

• SKU: 8515188-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8515187
• Substitutable numbers: 11658519477, 8519477, 11658512465 11658506721 11658515188, 8512465 8506721 8515188, 8515187, EM
• Category: Turbos & Parts

Purpose and compatibility

This BMW 320d N47N turbocharger is designed to work with the engine installed in the BMW 3 Series E90, E91, and E92 facelift (LCI) models. The OEM design ensures proper fitment to the exhaust manifold, intake system, and factory control unit, simplifying installation and reducing the risk of operational issues.

By maintaining the original geometry and exhaust gas flow parameters, the turbocharger allows for maintaining the correct boost pressure, which translates into correct engine operation, appropriate dynamics and predictable fuel consumption.

Construction and operating characteristics

As a component of the turbochargers and parts category, this product compresses the air drawn into the cylinders using exhaust gas energy. Its OEM design ensures:

• stable boost pressure across the full engine speed range,
• proper cooperation with the factory engine controller and injection system,
• appropriately selected gas response characteristics, important in everyday driving and under higher loads.

The original BMW turbocharger is designed for long-term operation at high temperatures and under heavy loads, which is important both in city traffic and on the highway.

Condition, origin and advantages of using OEM parts

The turbocharger offered is a used BMW OEM component . This means it comes from the vehicle manufacturer's factory production, not from the aftermarket. In practice, this translates to:

• factory fit with engine accessories and exhaust system,
• maintaining the original operating characteristics of the drive unit,
• reducing the risk of compatibility problems typical of some substitutes.

Used condition allows for cost-effective restoration of the supercharger system while maintaining original build quality. This solution is particularly beneficial for owners who want to keep their car in a near-factory configuration without excessively increasing repair costs.

Application in service, repairs and tuning

This turbocharger for the BMW 3 Series 320d N47N is suitable both as a replacement part for standard repairs and as a base for further powertrain modifications. Maintaining its original specifications, it is suitable for:

• workshops specializing in BMW servicing,
• users looking for a proven solution to replace a worn turbocharger,
• projects where predictable and repeatable engine performance characteristics are key.

If you are planning more extensive modifications to your engine and want to better understand how to use the potential of the supercharging system, the guide: How to increase engine power: a practical guide to tuning your engine with used parts will be helpful.

Why choose this BMW turbocharger

Choosing a genuine, used BMW turbocharger is a sensible compromise between cost and quality. You get a component designed specifically for the N47N engine, maintaining factory specifications and compatibility with accessories. This is especially important for modern diesel engines, where the turbocharging system has a key impact on engine performance, refinement, and durability.

If you also need other turbochargers for BMW for similar applications, check out our dedicated offer: turbochargers for BMW .