Air Intake BMW F70 F74 U06 Active Tourer Inlet Pipe Hose 8489423

The BMW F70 F74 U06 Active Tourer Air Intake Hose is an original part of the air supply system, designed for BMW Active Tourer series models. As part of the Air and Fuel Intake Sensors group, it is responsible for the stable, controlled delivery of air to the engine, which promotes smooth engine operation and proper cooperation with the control electronics.

Specifications and technical data

• SKU: 8489423
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8489423
• Substitutable numbers: 8489423, 13718489423
• Category: Air Intake & Fuel Sensors

Purpose and Function in the Intake System

This section of the intake hose is a component of the air intake path in BMW Active Tourer, working with the filter housing, air intake sensors, and the further part of the manifold. It is responsible for guiding the airflow as sealed and orderly as possible, which facilitates precise fuel dosing by the engine control unit and maintaining stable operating parameters.

Thanks to its factory geometry and fit for the specific BMW platform, the hose maintains the correct passage diameter and shape, limiting turbulence and pressure drops in the intake. This translates to predictable throttle response and proper cooperation with the factory control unit maps.

Original Origin and Compatibility

The component comes from the BMW line, which means adherence to factory quality and construction standards. Original manufacturing facilitates installation in the location intended by the manufacturer, without the need for modifications or adjustments of universal replacements.

The hose is assigned a specific OEM part number and has interchangeable numbers, allowing for precise verification of compatibility by VIN or catalog numbers. This enables informed selection of the component for a given engine variant and year, minimizing the risk of installation problems.

Condition, User Benefits, and Installation

The offered intake hose is a used part, which represents a cost-effective solution while maintaining the original BMW specifications. It is a practical choice for repairs after mechanical damage, replacement of worn intake sections, or restoring the factory configuration after previous modifications.

The main advantages of this solution include:

• factory fit for the BMW Active Tourer intake system,
• preservation of original airflow geometry,
• easier installation thanks to standard mounting points and connectors,
• consistency with the operation of air intake sensors and engine control unit logic.

In practice, installation involves removing the old section and fitting the hose into the factory clamps and sockets, ensuring airtight connections with other intake components.

Integration with Air and Fuel Intake Sensors

As part of the Air and Fuel Intake Sensors group, the hose works with sensors that measure the quantity and parameters of the ingested air. Stable, repeatable airflow in this section facilitates correct interpretation of sensor signals by the ECU, which is important for fuel dosage, exhaust emissions, and engine smoothness.

To better understand how to select and install used components sensitive to airflow parameters, it is worth consulting the Global Parts guide – Used Car Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?, which discusses issues such as compatibility, selection by OEM numbers, and practical application examples.

BMW Intake System Expansion

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional intake hoses, filter housings, or components that work with intake sensors, check the available parts in the BMW Air and Fuel Intake Sensors category.

By using original components from this group, you can maintain the consistency of the entire air and fuel supply system, which promotes stable engine operation and facilitates subsequent service diagnostics.