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

BMW 1 3 Series 3 E60 E61 E87 E90 E91 M47N2 Engine Vacuum Control Pipe is an original vacuum system component designed for engines used in, among others, BMW 1 and 3 Series, generations E60, E61, E87, E90, E91. Designed by the vehicle manufacturer, it ensures proper vacuum routing to actuators, which translates into stable engine operation and correct functioning of the auxiliary equipment.

Specifications and technical data

• SKU: 7789373-3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7789373
• Substitutable numbers: 11667789373, 7789373, 11667787913, 7787913, BG
• Category: Other Engine Parts

Purpose and function in the engine system

The engine vacuum control pipe in the M47N2 unit is responsible for transporting vacuum between the pump and control elements, such as actuators or control valves. A correctly selected and airtight pipe:

• stabilizes the operation of the turbocharging system and other vacuum-operated components,
• reduces the risk of power drops resulting from leaks,
• supports smooth engine operation across the full load range.

Thanks to its factory-fit design for the specific M47N2 engine configuration, this component maintains the correct routing geometry, which facilitates installation and minimizes stress in the system.

Compatibility with BMW models

The offered pipe is intended for use in selected versions of the BMW 1 and 3 Series with the M47N2 engine, including E60, E61, E87, E90, and E91 body styles. This means that its shape, connection diameters, and length have been adapted to the factory routing in the engine bay of these models, allowing for installation without the need for modifications or fitting universal replacements.

To ensure full compatibility, it is recommended to compare the engine unit configuration and the pipe routing in the currently installed system before purchase to ensure that the part matches the specific engine version.

Characteristics of the component and advantages of using OEM parts

As a BMW component, the engine vacuum control pipe is made of materials resistant to temperature and chemical factors typical of the engine bay. In practice, this translates into:

• increased resistance to hardening and cracking over a long service life,
• secure sealing of connections thanks to properly selected ends,
• maintenance of the vacuum flow parameters designed by the manufacturer.

Using an original pipe instead of a worn-out or non-factory replacement helps restore proper operating conditions for the vacuum control system, which can reduce diagnostic errors and unstable operation of engine accessories.

Condition and service application

The offered component is used, making it an attractive solution for budget-friendly repairs or diagnostics of the vacuum system in BMW vehicles with the M47N2 engine. It can be used both as a permanent replacement part and as an auxiliary component when testing the system during service.

During installation, it is recommended to carefully check the tightness of the connections and the correct positioning of the pipe in the engine bay so that it is not exposed to excessive bending, abrasion, or contact with high-temperature elements.

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.

Technical support and knowledge about powertrain systems

For users interested in comparing technical solutions used in different brands and engine versions, including sports variants, an article discussing the differences in the construction of power units, brakes, and chassis may be helpful. More information can be found in the post Audi RS vs other models – what is hidden under the hood and chassis?, which allows for a better understanding of how manufacturers design advanced powertrain systems and their associated components.