BMW 1 3 Series E60 E61 E87 E90 E91 M47N2 Engine Vacuum Control Pipe 7789373

BMW E87 E90 Vacuum Hose is an original vacuum system component designed for BMW 1 Series E87 and 3 Series E90 models. It ensures stable vacuum routing within the system, which translates to proper operation of associated components and predictable engine behavior. Thanks to its factory geometry and diameter, the hose guarantees precise fitment to the factory system without the need for modifications.

Specifications and technical data

• SKU: 7789373
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7789373
• Substitutable numbers: 11667789373, 7789373, 11667787913, 7787913, 7785449
• Category: Other Engine Parts

Function and Application of the Vacuum Hose

The vacuum hose in BMW is responsible for the safe and leak-free transmission of vacuum between control and actuator elements in the engine bay. Proper flow and sealing of this component affect:

• engine operating parameter stability across various load ranges,
• correct response of vacuum-controlled systems,
• reduced risk of leaks leading to performance loss.

By maintaining its factory routing and shape, the hose minimizes stress and the risk of abrasion against adjacent components, which is important for long-term operation.

Original Origin and Replacement Numbers

The offered hose is a BMW OE part, meaning it complies with factory quality and manufacturing standards. The part has a dedicated OEM number and assigned replacement numbers, making it easy to verify its compatibility with a specific vehicle configuration. This is particularly important when selecting components within the same engine family, where differences may arise due to model year or equipment version.

The presence of reference numbers also facilitates comparison with the currently installed hose and verification in service catalogs, reducing the risk of purchasing an incompatible part.

Benefits of Using an Original Vacuum Hose

Using a hose from the original BMW production line allows for the preservation of the vacuum system's factory operating characteristics. In practice, this means:

• secure fitment to mounting points and connectors in the engine bay,
• appropriately selected material flexibility, reducing the risk of kinks,
• maintenance of the manufacturer-specified internal diameter and flow rate.

Compared to universal aftermarket parts, an original hose avoids improvised modifications, which is important for both reliability and subsequent serviceability.

Condition and Compatibility Verification

The item is offered as a used part, which means it comes from a dismantled vehicle and has been verified for its suitability for further use. This type of solution is cost-effective while maintaining the original manufacturer's specifications.

Before purchasing, it is advisable to compare the shape and routing of the hose with the part installed in your vehicle and to verify compatibility using the OEM part number and replacement numbers in the BMW catalog or with a service advisor. This allows for selecting a component that precisely matches the specific engine and model year version.

System Expansion and Selection of Related Components

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 vacuum hoses, connectors, or small mounting parts, check the available parts in the Other BMW category.

When working on the vacuum system and engine accessories, it is also worth expanding your knowledge about the design differences between sport and standard versions – a practical comparison of technical solutions can be found in the article Audi RS vs. Other Models – What Lies Under the Hood and Chassis?, which discusses, among other things, manufacturers' approaches to component selection and their loads.

If you are preparing your car for intensive use in harsher conditions, the guide Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost? may also be helpful, where you will find practical tips on inspecting used components, including hoses and engine accessories.