BMW 3 Series E90 316i N45N Sucking Jet Pump Lines Vacuum Control Engine 7564772

BMW 3 Series E90 316i N45N Sucking Jet Pump Lines Vacuum Control Engine is an original component from the Cooling system hoses and pipes group, designed for operation in the vacuum system of the N45N petrol engine. A properly selected hose ensures stable operating conditions for the power unit and the correct functioning of the components cooperating with it. Thanks to its factory geometry and diameter, the hose guarantees proper medium flow and a perfect fit to the standard connectors in the engine bay.

Specifications and technical data

• SKU: 7564772
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7578888
• Substitutable numbers: 11617578888, 7578888, 11617564772, 7564772, E81 E87 LCI 116i N45N, EM
• Category: Coolant Hoses

Purpose and function of the vacuum hose

The vacuum hose in the N45N engine is responsible for the safe and airtight routing of vacuum between control and actuator components. In practice, this translates into:

• stable operation of the power unit under various load ranges,
• correct response to changes in RPM and load,
• maintaining the proper operating parameters of the cooling system, which works in conjunction with the vacuum system.

By maintaining the factory flow characteristics, the hose helps reduce the risk of vacuum drops, leaks, and interference in the operation of controlled components.

Construction and fitment for BMW E90 316i N45N

The offered hose has been designed specifically for the N45N unit in the BMW E90 316i model, which means its shape, diameter, and connection points are adapted to the factory layout. This solution ensures:

• easy installation in existing brackets and guides,
• correct routing of the hose while maintaining safe distances from hot exhaust and cooling system components,
• consistency with the factory BMW vacuum system concept.

The original origin from the BMW group promotes compatibility with factory connectors and other hoses within the engine bay.

Benefits of using an original hose

Using a vacuum hose from the same family as the factory component helps limit typical problems resulting from the use of replacements with incorrect geometry. Key advantages include:

• stable vacuum system operating parameters thanks to maintaining the correct inner diameter and hose length,
• lower risk of twisting, kinking, and abrasion during operation,
• easier diagnostics – the system retains its factory routing, which makes it easier to locate potential leaks.

In the case of petrol units such as the N45N, a properly functioning vacuum system has a direct impact on engine refinement and throttle response predictability.

Component condition and service application

The vacuum hose offered in this configuration comes from dismantling and is intended for service applications in BMW vehicles where restoring the factory routing of hoses is required. It can be used both for point replacement of a damaged section and for broader work related to the cooling and vacuum systems within the engine.

Selecting the hose according to the manufacturer's markings allows for consistency with service documentation and facilitates subsequent diagnostic and inspection activities.

Technical support and knowledge about the cooling system

When working with vacuum hoses, it is worth simultaneously verifying the condition of components responsible for heat dissipation from the power unit. A detailed discussion of typical overheating symptoms and the impact of the cooling system on engine durability can be found in the article Engine cooling system – overheating, repair, and used radiators, which helps to better plan the scope of service work.

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 additional lines, hoses, or connectors cooperating with the cooling system, check the available parts in the BMW cooling system hoses and pipes category.