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

BMW e87 e90 vacuum hose is an original vacuum system component designed for selected models of the BMW E87 and E90 series. It ensures a leak-proof vacuum supply in the system, which translates to stable operation of vacuum-controlled components and predictable engine behavior.

Specifications and technical data

• SKU: 7789373-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7789373
• Substitutable numbers: 11667789373, 7789373, 11667787913, 7787913, 7785449
• Category: Other Engine Parts

Purpose and Function of the Vacuum Hose

The vacuum hose in BMW E87/E90 series is responsible for safely transporting vacuum between control system components such as actuators, valves, or executive modules. A correctly selected and sealed hose allows for maintaining stable vacuum levels, which is important for:

• proper engine response to load,
• consistent operation of vacuum-controlled elements,
• reduction of power losses resulting from system leaks,
• lowering the risk of engine control unit errors.

Thanks to its tailored geometry and appropriate inner diameter, the hose is designed to operate in conditions typical for a BMW engine bay, maintaining adequate resistance to temperature and vibrations.

Original Origin and Compatibility

The offered part comes from the BMW group, which means compliance with the manufacturer's factory quality standards. The hose is designed for specific structural solutions used in the E87 and E90 series, which ensures:

• fit with factory mountings and routing in the engine bay,
• correct path relative to other installations,
• minimization of collision risk with moving accessory components,
• ease of installation without the need for modifications.

The presence of dedicated interchangeable numbers allows for precise matching of the hose to a specific car configuration, which is particularly important when comparing parts in catalogs and selection systems.

Characteristics of a Used Part

The BMW e87 e90 vacuum hose is offered as a used part, which in practice means it comes from a dismantled vehicle and has been verified for its continued usability. Such parts are often chosen by users who:

• are looking for a factory hose with preserved geometry,
• prefer original solutions over universal aftermarket parts,
• want to optimize repair costs while maintaining proper functionality.

For vacuum hoses, leak-proofness and absence of mechanical damage are crucial, which is why before being offered, the part is checked for visible cracks, abrasions, or deformations.

Benefits of Using an Original Vacuum Hose

Using a hose dedicated to BMW E87/E90 helps to reduce typical problems arising from the use of ill-fitting or universal hoses. The most important benefits include:

• stable vacuum system operating parameters due to the correct hose diameter and length,
• easier diagnostics – the system maintains its factory routing, which facilitates the localization of potential leaks,
• aesthetic installation in the engine bay, consistent with the original wiring harness routing,
• reduction of the risk of incorrect hose placement, which could lead to accelerated wear.

For users who care about maintaining the factory configuration of their vehicle, an original vacuum hose is a solution consistent with the manufacturer's intentions and allows for maintaining predictable car behavior in daily operation.

Part Selection and Additional Materials

If you are modernizing or servicing the vacuum system in your BMW and also need other mounting elements, brackets, or small components related to the installation, check the available parts in the Other BMW category.

When planning more extensive modifications or comparing solutions used in different brands and sports versions, a comparative material might be helpful – you can find more on this topic in the article Audi RS vs. Other Models – What's Under the Hood and Chassis?, which discusses differences in engine, brake, and chassis construction and advises on how to consciously select components based on their purpose.