BMW E90 LCI F10 F20 F21 F30 Diesel N47N Air Inlet Intake Manifold 7807991

BMW E90 LCI F10 F20 F30 Diesel Intake Manifold N47N is an original part from the intake manifolds category, designed for BMW diesel engines from the N47N family. The used manifold ensures the factory geometry of the intake ports, which promotes stable engine operation and correct interaction with engine accessories. This is a solution for users looking for parts with a proven design, tailored to specific BMW 3, 5, and 1 Series, as well as 3rd generation F models.

Specifications and technical data

• SKU: 7807991-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7807991
• Substitutable numbers: 11617807991, 7807991
• Fuel type: Diesel
• Category: Intake Manifolds

Intended Use and Compatibility with N47N Diesel Engines

The presented air intake manifold is designed to work with N47N Diesel engines, used in popular BMW models such as E90 LCI, F10, F20, and F30. The manifold's design is adapted to the characteristics of the diesel unit, allowing for:

• correct air delivery to the cylinders across the entire RPM range,
• maintenance of proper combustion chamber filling,
• stable operation at idle and under load.

By preserving the original intake port architecture, the manifold supports the correct operation of the engine control system, including systems responsible for fuel injection and exhaust gas recirculation.

Construction and Technical Properties of the BMW Intake Manifold

The manifold belongs to the intake manifolds category, which are components responsible for evenly distributing air to individual cylinders. For N47N units, maintaining adequate housing rigidity and sealing is crucial, which limits pressure drops and flow disturbances.

The original BMW intake manifold design ensures:

• precise fit to the engine head and accessories,
• preservation of factory mounting points for sensors and hoses,
• adequate resistance to temperature and operating loads typical for diesel engines.

This allows for an organized installation process without the need for modifications to adjacent components.

Benefits of Using an Original BMW Intake Manifold

Using an original air intake manifold in an N47N engine allows for maintaining the unit's operating parameters at the level intended by the manufacturer. In practice, this means:

• stable performance in daily operation,
• correct interaction with the injection system and engine control unit,
• reduced risk of leaks in the intake system.

A used OEM part is a good choice for drivers who want to maintain the engine's factory operating characteristics while optimizing the costs of repairing or upgrading the intake system.

Condition, Verification, and Preparation for Installation

The offered manifold is a used part obtained from disassembly and is sold as a used part. Such elements are often chosen for maintenance repairs when preserving the original design and compatibility with a specific diesel engine version is crucial.

Before installation, standard service procedures are recommended, such as:

• checking the sealing surface to the cylinder head,
• replacing gaskets with new ones in accordance with manufacturer recommendations,
• verifying the correct operation of cooperating intake system components.

This approach allows for full utilization of the original manifold's potential and reduces the risk of subsequent leaks.

BMW Intake Manifolds – Expanding Offer and Technical Knowledge

If you are looking for other BMW intake manifolds for various models and engine versions, check out our dedicated category: BMW intake manifolds. There you will find a wide selection of intake components tailored to many series and generations of this brand.

For users interested in a broader context of intake and exhaust system operation in diesel and gasoline cars, we have also prepared a guide. More information on selecting and operating used manifolds can be found in the article: Performance Exhaust System: Used Manifolds and Sport Catalytic Converters on the Road.

Summary

BMW E90 LCI F10 F20 F30 Diesel Intake Manifold N47N is an original intake system component from the intake manifolds category, designed for BMW diesel engines. The used manifold allows for maintaining factory air flow parameters, ensures correct interaction with the N47N unit, and is a functional solution for repairs and replacements in popular E and F series models.