Manifold Elbow BMW E90 LCI F10 F11 F20 F21 F30 F31 Diesel N47N Inlet Intake

The BMW E90 LCI F10 F20 N47N Intake Manifold Duct Pipe Elbow is an original part from the intake manifolds category, designed for BMW diesel engines. It ensures proper intake air routing, providing stable operation for the Diesel engine in popular 3, 5, and 1 Series models.

Specifications and technical data

• SKU: 7807991-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7807991
• Substitutable numbers: 11617807991, 7807991
• Fuel type: Diesel
• Category: Intake Manifolds

Application and Compatibility

The presented intake manifold with duct, pipe, and elbow has been specifically designed for N47N units used in BMW E90 LCI, F10, and F20. The construction, tailored to the diesel engine architecture, allows for maintaining correct airflow, which translates to uniform cylinder filling and stable torque characteristics.

Thanks to the original manufacturer's origin of the part, mounting points and intake pipe geometry are preserved, facilitating installation in place of a worn or damaged manifold without the need for modifications.

Construction and Technical Function

The intake manifold integrated with a duct, pipe, and elbow is responsible for precisely delivering air to the combustion chambers. In a Diesel engine, this is particularly important for:

• maintaining appropriate boost pressure across the entire RPM range,
• proper air-fuel mixture,
• stable operation at idle and under load,
• reducing power loss resulting from leaks or blockages in the intake system.

The appropriately selected intake duct geometry promotes efficient cylinder filling, which helps maintain the N47N unit's smooth operation and supports the efficiency of the turbocharging and engine control systems.

Condition, Origin, and Benefits of Choosing a Used Manifold

This part comes from the BMW offering and is classified as a used part. In practice, this means retaining the original construction and fitment while reducing costs compared to a new component. For many users, this is a sensible compromise between quality and budget, especially for complex intake system components.

Choosing a used intake manifold is particularly beneficial when:

• the existing part has cracked or deformed,
• there are leaks in the intake system,
• power loss or unstable engine operation related to air intake occurs.

Why Choose This BMW Intake Manifold

By using an original intake manifold dedicated to the N47N engine, you minimize the risk of fitment issues and improper engine operation. The factory intake geometry supports the correct functioning of the engine control unit, turbocharger, and other fuel system components, which is crucial for both the dynamics and durability of the unit.

If you are looking for other BMW intake manifolds for related models or engine configurations, check out our dedicated category: BMW intake manifolds.

More Knowledge about Manifolds and Used Parts

Want to better understand how the choice of intake and exhaust components affects engine characteristics and the advantages of using used parts? See practical tips in the article about exhaust systems and manifolds: Performance Exhaust Systems: Used Manifolds and Sport Catalytic Converters on the Road.

If you are considering a broader replacement of parts in your car and want to make informed choices about used market parts, the following guide will also be helpful: Used Parts – Your Guide to the Best Offers in an Automotive Store.