BMW E81 E87 LCI E90 E91 E92 LCI Intake Manifold Air Inlet N43 Petrol 7561389

The BMW E81 E87 LCI E90 E91 LCI N43 Intake Manifold is an original part from the intake manifolds category, designed for N43 gasoline engines in popular facelifted BMW 1 and 3 Series models. The OEM design ensures proper air delivery to the cylinders, which translates to stable engine operation and accurate throttle response. This is the solution for users seeking a proven, factory intake for their gasoline-powered BMW.

Specifications and technical data

• SKU: 7561389
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7561389
• Substitutable numbers: 7561389, 11617561389
• Fuel type: Petrol
• Category: Intake Manifolds

Intended Use and Compatibility with N43 Engine

The presented intake manifold is designed to work with the N43 engine in BMW E81, E87 LCI, E90, and E91 LCI models. It is responsible for precisely distributing air to individual cylinders, which is crucial for proper mixture combustion in gasoline engines. Thanks to the factory geometry of the intake runners, the appropriate air flow speed is maintained, supporting engine smoothness across the entire RPM range.

Construction and Function of the Intake Manifold

The intake manifold in this BMW model performs several important functions in the intake system:

• guides air from the intake system to the engine head,
• stabilizes airflow, reducing turbulence detrimental to the combustion process,
• supports even cylinder filling, which affects performance and fuel consumption,
• is integrated with the intake components designed for the N43 unit.

By maintaining the original construction, the manifold works with factory electronics and engine control unit maps, without the need for additional modifications.

Benefits of Using an Original Intake Manifold

Choosing an original intake manifold for a BMW with an N43 gasoline engine allows you to maintain engine operating parameters in line with the manufacturer's specifications. The most important benefits include:

• precise fit to the cylinder head and components – no issues with installation or intake system sealing,
• maintenance of factory torque and power characteristics,
• proper cooperation with the gasoline fuel system and engine control systems,
• reduced risk of ECU errors resulting from leaks or incorrect airflow.

This is particularly important in modern gasoline engines, where intake quality directly affects exhaust emissions, fuel consumption, and component durability.

Condition, Origin, and Practical Application

The offered intake manifold is a used part from a dismantled vehicle, allowing for an economical repair of the intake system while maintaining factory quality. It is suitable for replacing a damaged manifold after a mechanical failure, as well as for resolving issues related to intake leaks or unstable idling.

Due to its intended use for the N43 gasoline unit, this manifold is a suitable choice for drivers who want to restore proper engine operating parameters in their facelifted BMW 1 and 3 Series without altering the intake system's design.

More BMW Intake Manifolds 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 specific series and generations.

Want to better understand the relationships between the intake and exhaust systems and the possibilities of using used manifolds in premium cars? Visit the guide on our blog: Performance Exhaust System: Used Manifolds and Sport Catalytic Converters on the Road, where we discuss practical aspects of selecting and operating manifolds in BMWs and other brands.