Intake Inlet Manifold BMW X3 E90 E91 E83 LCi M47N2 With Flap Control

The BMW E90 E83 LCi M47N2 Intake Manifold with Swirl Flaps is an original part from the Intake Manifolds group, designed for post-facelift diesel BMW units with the M47N2 engine. Thanks to integrated swirl flaps, it ensures precise air stream shaping, which translates to stable engine operation and correct torque characteristics.

Specifications and technical data

• SKU: 7795393
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7795393
• Substitutable numbers: 11617800579, 7800579, 11617795393, 7795393
• Category: Intake Manifolds

Purpose and Function of the BMW Intake Manifold

The intake manifold in the M47N2 engine is responsible for evenly distributing air to individual cylinders and cooperating with the exhaust gas recirculation system. The version with swirl flaps allows for dynamic changes in airflow depending on load and engine speed, which supports the unit's smooth operation, improves flexibility, and helps maintain proper combustion parameters.

In BMW E90 and E83 LCi models, a properly functioning intake manifold is crucial for:

• stable idle speed and smooth acceleration,
• maintaining adequate dynamics in the low and medium RPM range,
• cooperation with the engine control electronics and the turbocharging system.

Construction and Key Technical Features

The presented intake manifold is an OEM construction, designed specifically for the geometry of the M47N2 engine head and the engine bay in BMW E90 and E83 LCi. The swirl flaps used operate in synchronization with the control system, allowing for airflow optimization under various driving conditions. This solution enables better utilization of the powertrain's potential without the need for software modifications.

The original manifold design ensures:

• correct positioning of ports and mounts relative to the cylinder head and engine accessories,
• compatibility with factory sensors and control elements,
• maintenance of the air flow characteristics intended by the manufacturer.

Benefits of Using an Original Intake Manifold

Using an original BMW intake manifold to replace a worn or damaged part allows for the restoration of the powertrain's factory operating parameters. The correct geometry of the intake channels and functional swirl flaps reduce the risk of power loss, jerky acceleration, or hot-start issues.

The most important advantages of installing this part include:

• factory fit for the M47N2 engine in E90 and E83 LCi bodies,
• no need for modifications to mounts and accessories,
• maintained compatibility with the factory engine control unit software.

Condition and Service Application

This part comes from an used vehicle, making it an attractive cost-effective alternative to a new OEM component while maintaining proper functionality. This type of intake manifold is often chosen for intake system repairs, replacement of worn swirl flaps, or restoring the stock configuration after previous modifications.

In workshops specializing in the BMW brand, installing an original manifold with flaps allows for repairs to be carried out in accordance with the manufacturer's specifications, which facilitates subsequent computer diagnostics and engine parameter calibration.

Related Products and Technical Knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional manifolds, intake components, or components cooperating with the air supply system, check the available parts in the BMW Intake Manifolds category.

To better understand the relationships between the intake and exhaust systems and the impact of manifolds on powertrain characteristics, it is worth consulting the guide: Performance Exhaust System: Used Manifolds and Sport Catalytic Converters on the Road. This will help you better assess when an intake manifold replacement is justified and how to choose the right part for a specific BMW configuration.