Manifold Actuator BMW E81 E87 E90 120i 320i N46 Intake Inlet 7511383

The BMW E81 E87 E90 120I 320I N46 Intake Manifold Actuator is an original intake system component designed for select BMW models with the N46 engine. This used part allows for the restoration of correct intake manifold operation, stabilizing engine performance parameters and reducing the risk of ECU errors. By maintaining factory specifications, the manifold actuator ensures proper integration with the engine's electronics and control system.

Specifications and technical data

• SKU: 7511383
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 11617511383
• Substitutable numbers: 11617511383, 7511383
• Category: Other Engine Parts

Purpose and Function in the N46 Engine

The manifold actuator is responsible for controlling the flaps within the intake manifold in N46 engines, used in BMW series such as E81, E87, and E90 in the 120i and 320i versions. A properly functioning unit:

• ensures appropriate switching of intake runner lengths based on load and engine speed,
• supports smooth, predictable engine operation across the entire RPM range,
• reduces power loss resulting from incorrect flap control in the manifold,
• helps maintain a stable torque curve.

Benefits of Using an Original Manifold Actuator

Using an original actuator to replace a worn or damaged component allows for the preservation of factory engine performance parameters. In practice, this means:

• improved throttle response due to proper control of airflow in the manifold,
• reduced risk of intake system-related errors in the engine control unit,
• more consistent performance in daily driving,
• maintaining compatibility with the ECU software without the need for modifications.

For owners who wish to keep their BMW in a condition as close to factory as possible, choosing an original manifold actuator is a safe and technically sound solution.

Condition, Verification, and Installation

The offered manifold actuator is a component from the Other Parts category, sourced from a dismantled vehicle. Before being offered for sale, such components are routinely verified for correct mechanism operation and connector integrity. This helps to minimize the risk of installation and operational issues after fitting to the vehicle.

During installation, it is recommended to:

• check the condition of the intake manifold and its flaps,
• verify the intake system's seal after replacement,
• perform adaptation or clear error codes in the engine control unit if required by the service procedure.

Selection by OEM Number and Vehicle Compatibility

To correctly select the manifold actuator for a specific BMW model, it is crucial to compare the OEM number and interchangeable part numbers with the vehicle's data. If in doubt, it is advisable to consult a guide on selecting automotive parts by factory number and VIN – practical tips can be found in the article how to select the correct car part by VIN and OEM number. This will help avoid mistakes and speed up the service process.

More Parts from the Other Parts Category for BMW

If you are looking for other components from the Other BMW Parts category for your car, check out our dedicated offer – browse available Other BMW Parts to assemble the necessary components for repairing or upgrading your vehicle.

Technical Knowledge and Powertrain Development

The development of modern powertrains, such as engines used in sports models, demonstrates the significant importance of precise control over intake, boost, and cooling. If you are interested in comparing advanced solutions used in sports versions with standard variants, it is worth reading the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses differences in the construction of engines, brakes, and chassis.