Vacuum Pipe Hose BMW E46 E53 E60 E65 E83 E90 Diesel Engine Pipe Line M57N2

Visual condition of the part

The product shows signs of use visible in the photos.

Vacuum Pipe Hose BMW E46 E53 E60 E65 E83 E90 Diesel Engine Pipe Line M57N2 is an original part from the Lines, hoses and pipes group, designed for the vacuum system in BMW cars with a diesel engine. Designed as an OEM component, it ensures stable vacuum routing, which translates into proper operation of engine accessories and repeatable performance parameters of the power unit.

Specifications and technical data

• SKU: 7798312
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7798312
• Substitutable numbers: 11667798312, 7798312, 11667789391, 7789391, 11617785449, 7785449, BG
• Fuel type: Diesel
• Category: Other Engine Parts

Purpose and function of the vacuum pipe

The vacuum pipe in BMW E60, E83, and E90 series models is responsible for the safe transmission of vacuum between components of the diesel engine control system. Stable pressure in this circuit is important for the operation of components such as actuators, control valves, or adjustment elements, which is why using the correct pipe is crucial for maintaining the proper operating parameters of the power unit.

The original geometry and internal diameter of the pipe promote the maintenance of proper flow, limiting the risk of vacuum drops, leaks, and incorrect readings in the control system. As a result, the system reacts predictably, and the diagnosis of potential faults is simpler.

Benefits of using an original BMW pipe

Using a vacuum pipe from the original BMW production line allows for maintaining factory fitment to the mounts and routing of the installation in the engine bay. This limits stress, twisting, and kinking of the pipe that could occur when using replacements with different geometry.

• Factory fitment to the vacuum system in the given type of diesel engine.
• Predictable behavior of the control system due to maintaining original flow parameters.
• Easier diagnostics – no additional variables resulting from a non-original pipe design.

For the user, this means more stable engine operation, a lower risk of errors related to vacuum, and the ability to maintain a configuration close to the factory one, which is especially important in cars serviced according to the manufacturer's guidelines.

Product characteristics and condition

The offered vacuum pipe is a used item, which in practice means it comes from vehicle dismantling and has been verified for further operational suitability. This type of part is a good solution for drivers who want to maintain the original system specification while optimizing repair costs.

The pipe retains a design consistent with the original BMW project, which facilitates installation in the existing system without the need for installation modifications. Thanks to this, the replacement can be carried out in an orderly manner, maintaining the original routing of the pipes in the engine bay.

Installation and operational tips

When replacing the vacuum pipe, it is worth paying attention to:

• the condition of the connectors and fittings to which the pipe is connected,
• proper placement in factory holders and guides,
• the absence of excessive bends and twists after installation.

After installation, it is recommended to perform a vacuum system leak test and verify engine operation under load. This allows you to ensure that the newly installed element works correctly with other components and does not generate additional pressure drops.

System expansion – related elements

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional lines, flexible hoses, or rigid vacuum system pipes, check the available parts in the BMW lines, hoses and pipes category.

In the case of broader service work, including the drivetrain, a guide article discussing the cost-effectiveness of purchasing used components may be helpful – you can find more information in the material Used gearbox – when is it worth it and what you need to remember, which covers practical aspects of selecting and verifying parts from the secondary market.