BMW E90 E91 LCI Turbocharger Turbo Charger 316d 318d N47N Diesel 7812321

The BMW E90 LCI 316d 318d N47N Turbo Turbocharger is an original aftermarket turbocharger designed for the BMW 3 Series E90 LCI diesel engine with the N47N engine. Used condition allows for a reasonable cost while maintaining performance characteristics consistent with the manufacturer's factory specifications.

Specifications and technical data

• SKU: 8506722
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7812321
• Substitutable numbers: 11658506722, 8506722, 7812321
• Fuel type: Diesel
• Category: Turbos & Parts

Purpose and technical characteristics

This turbocharger for the BMW E90 LCI 316d 318d N47N falls into the Turbochargers and Parts category and is designed for use with diesel engines. Its diesel-specific design ensures adequate boost pressure, stable operation across the full RPM range, and optimal exhaust and intake airflow parameters.

As part of the N47N engine's turbocharging system, the turbocharger is responsible for:

• increasing the efficiency of the drive unit by compressing the intake air,
• maintaining appropriate dynamics at low and medium revs, typical of modern BMW diesel engines,
• ensuring proper operating conditions for the injection system and engine control systems.

Compatibility with BMW N47N engine

The turbocharger has been configured to meet the specific requirements of the N47N engine used in the 316d and 318d facelift (LCI) models. This includes:

• exhaust gas flow characteristics typical of a BMW diesel engine,
• exhaust manifold and intake system geometry in the E90 LCI,
• maps controlling the boost operation in the engine control unit.

Thanks to this, installing a turbocharger in a BMW E90 LCI with the N47N engine allows you to maintain the factory operating parameters of the drive unit, without the need to modify the hardware or controller software, provided that the remaining system components are consistent with the original configuration.

Used condition and the benefits of choosing OEM parts

The turbocharger offered is in used condition, which in practice means you can achieve factory-quality fitment at a significantly lower cost than a new component. The part is from original BMW production, allowing:

• the original mounting points and body geometry are preserved,
• the fit of the manifold, oil and intake lines corresponds to the factory specifications,
• there is no need to use modifications or adapters with the correctly selected model.

Used condition is a good solution for users who expect compatibility with the factory system and at the same time want to optimize service costs while maintaining a reasonable level of durability.

Why is it worth using the right turbocharger in your BMW E90 LCI?

A correctly selected turbocharger in a BMW diesel engine directly affects:

• performance – appropriate boost pressure translates into flexibility and acceleration,
• combustion – proper operation of the charging system helps maintain fuel consumption at the level specified by the manufacturer,
• exhaust emissions – correct charging supports the operation of exhaust gas treatment systems,
• engine life – stable operating conditions limit thermal and mechanical overloads of the drive unit.

By choosing a BMW E90 LCI 316d 318d N47N Turbo Turbocharger, you are investing in a component designed for a specific diesel engine, which minimizes the risk of compatibility problems and facilitates future diagnostics.

Knowledge Expansion and Other BMW Turbochargers

If you are considering upgrading or comparing different BMW diesel engines in terms of performance, durability and availability of aftermarket accessories, it is worth reading the analysis in the article BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels , which discusses, among other things, the differences in operating characteristics and operating costs.

If you are also looking for other turbochargers for BMW in the same category, check the current offer in the turbochargers and parts for BMW section to select the element best suited to the specific engine version and planned scope of repair.