Intake Manifold BMW E81 E87 LCI E90 E91 E92 N47 With Flap Control 7810178

BMW E81 E87 LCI E90 E91 E92 N47 Intake Manifold 7810178 is an original part from the Intake Manifolds category, designed for N47 diesel engines in compact and mid-size BMW 1 and 3 Series models. The manifold's design ensures proper air flow to the cylinders, contributing to stable engine operation and correct torque characteristics.

Specifications and technical data

• SKU: 7810178
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7810178
• Substitutable numbers: 11617797384, 7797384, 11618507239, 8507239, 7810178, 11617811214, 7811214, 4728712, 11614728712
• Category: Intake Manifolds

Intended Use and Compatibility

The presented intake manifold is dedicated to BMW E81, E87 LCI, E90, E91, and E92 vehicles equipped with the N47 engine. The use of original intake channel geometry allows for maintaining the engine's factory performance parameters without the need for modifications to the ancillary equipment.

As this part comes from the BMW line, the correct mounting points, port layout, and connection interfaces are preserved, which facilitates installation and reduces the risk of leaks in the intake system.

Intake Manifold Construction and Function

The intake manifold is responsible for the even distribution of air to the individual cylinders of the N47 engine. Properly designed intake channels contribute to:

• stable cylinder filling across the entire RPM range,
• correct cooperation with the turbocharging system and engine control,
• maintaining the proper mixture composition and engine running smoothness.

The original manifold design allows for maintaining factory flow parameters, which is particularly important in modern diesel engines where the intake system interacts with advanced electronic control.

Condition, Origin, and Benefits of Using a Used Part

This part comes from the BMW offering and is classified as used, meaning it has been previously operated in a vehicle but retains the functionality required for continued operation in the intake system. Choosing an original manifold from the aftermarket allows you to:

• maintain compliance with the manufacturer's factory specifications,
• reduce repair costs compared to a new part,
• avoid fitment issues typical of aftermarket replacements of uncertain origin.

For many BMW owners with the N47 engine, using a used intake manifold is a sensible compromise between durability and service costs, especially for repairs related to the intake system and engine ancillaries.

Why Choose This BMW Intake Manifold

Using an original intake manifold in the N47 engine helps maintain stable engine operating parameters, which translates to predictable vehicle behavior in daily use. A correctly selected manifold reduces the risk of power loss, rough idling, or hot-start issues.

Additionally, the presence of assigned part numbers and interchangeable numbers facilitates verification of compatibility with specific engine versions and vehicle model years, which is important when selecting parts for BMW E8x and E9x family cars.

Related Manifolds and Technical Knowledge

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

Want to expand your knowledge on intake and exhaust systems and selecting used parts? Check out the article on our blog, where we discuss the practical aspects of using used manifolds and performance components: Performance Exhaust System: Used Manifolds and Sport Catalysts on the Road. This will help you better assess when choosing aftermarket parts is technically justified.