Inlet Manifold BMW E81 E87 LCI E90 118i 318i N43 Air Intake Unit 7560340

Inlet Manifold BMW E81 E87 LCI E90 118i 318i N43 Air Intake Unit is an original intake system component designed for N43 petrol engines in 1 and 3 Series models. Thanks to its factory design, it ensures proper airflow to the cylinders, which translates into stable engine operation and predictable performance. This is a solution for users looking for a proven, compatible inlet manifold for their BMW.

Specifications and technical data

• SKU: 7560340
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7560340
• Substitutable numbers: 7560340, 11617561389, 7561389
• Category: Intake Manifolds

Purpose and compatibility

The presented manifold belongs to the Inlet manifolds category and is dedicated to N43 engines installed in BMW E81, E87 LCI, and E90 models in 118i and 318i versions. The manifold's construction is adapted to the cylinder head geometry of these units, which enables proper sealing, correct mounting of accessories, and the maintenance of factory operating parameters.

By maintaining the original architecture of the intake ducts, the manifold supports uniform cylinder filling, which is important for smooth operation, fuel consumption, and throttle response. This is particularly significant in modern petrol units, where precision in mixture control is crucial for engine durability and efficiency.

Technical characteristics of the inlet manifold

The manifold was designed by BMW as an intake system component that works with the factory engine management system. The shape and cross-sections of the ducts are optimized for airflow, which allows for maintaining appropriate flow velocities and reducing pressure drops in the intake. As a result, the engine can operate within the parameters specified by the manufacturer without the need for software modifications.

The layout of the ports, mounting points, and accessory interfaces complies with the factory standard, which facilitates installation and integration with the existing system. The manifold is structurally prepared for compatibility with the stock fuel and control system, minimizing the risk of operational issues after replacement.

Condition, application, and benefits of installation

The item is offered in used condition, which allows for an economical replacement of a damaged or worn manifold while maintaining the manufacturer's original specifications. This is a practical solution in situations such as leaks, housing cracks, or intake system issues manifesting as rough engine idling or ECU errors.

Replacing the manifold with an original equivalent allows you to:

• restore proper airflow in the intake system,
• maintain the factory operating parameters of the N43 unit,
• avoid fitment issues typical of aftermarket parts with different geometry,
• maintain the consistency of the intake system with other engine components.

Part selection and technical support

When selecting an inlet manifold for a BMW E81, E87 LCI, or E90 with an N43 engine, it is worth paying attention to compatibility with the body version and the engine unit. The offered item comes from the OEM parts group, which facilitates identification and matching to a specific vehicle configuration. In case of doubt, a good point of reference is to compare the shape, layout of mounts, and ports with the currently installed manifold.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional manifolds, intake elements, or intake system housings, check the available parts in the BMW Inlet manifolds category.

More about intake and exhaust systems

For drivers interested in a broader perspective on air and exhaust flow in modern engines, including the impact of manifolds on engine performance characteristics, we recommend our blog article dedicated to exhaust systems and manifolds. You can find more practical information in the material: Performance exhaust system: used manifolds and sports catalytic converters on the road.