BMW 5 7 Series F01 LCI N57N F10 F11 N47N Vacuum Hose Line Pipe Servo Brake

BMW 5 7 Series F01 LCI N57N F10 F11 N47N Vacuum Hose Line Pipe Servo Brake is an original brake system component designed for use with BMW diesel engines. It ensures stable vacuum supply to the brake servo, which translates into predictable, even brake assistance and safe operation of the entire system. Thanks to its factory geometry and connectors, it is a solution technically matched to the design of the 5 and 7 Series models.

Specifications and technical data

• SKU: rhd-7598231
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7598231
• Substitutable numbers: 11667598231, 7598231, 11667577076, 7577076, 177650, EM
• Category: Brake Servos

Purpose and function in the brake system

This vacuum hose operates in the area between the vacuum source and the brake servo, responsible for stable braking force assistance. In BMW 5 Series F10/F11 and 7 Series F01 LCI vehicles with N57N and N47N units, the proper operation of this vacuum line is crucial for:

• maintaining the appropriate vacuum level in the brake servo,
• repeatable brake pedal response under various engine load conditions,
• reducing the risk of a drop in braking efficiency during emergency braking.

The original design of the hose allows for maintaining the factory operating characteristics of the system without the need for installation modifications.

Design and fitment for BMW

The hose has been specifically designed to work with the brake servo in F10, F11, and F01 LCI platforms, which means precise routing of the vacuum line in the engine bay. The shape, connection diameters, and mounting method are adapted to factory brackets and ports, ensuring that:

• installation is performed at existing mounting points,
• the risk of chafing and leaks is minimized,
• the proper distance from heating and moving elements is maintained.

Such fitment reduces material stress and promotes longer, stable operation in the demanding conditions of a diesel engine.

Condition, origin, and benefits of choosing a used part

The item comes from the Brake Servos and Master Cylinders group and is a used part, which allows for an economical repair of the brake system while maintaining the original BMW specification. Compared to replacements with universal geometry, the factory vacuum hose offers:

• compliance with the factory brake system design,
• no need for vacuum system modifications,
• consistency with other brake servo and master cylinder components.

For workshops and users, this means predictable installation and the preservation of braking characteristics consistent with the manufacturer's specifications.

Operation and good installation practices

To fully utilize the potential of this hose, it is worth paying attention to a few installation and operation aspects:

• checking the tightness of connections at the servo ports and vacuum source,
• proper routing in factory brackets, without twists or excessive stress,
• periodic visual inspection of the hose surface condition during brake system maintenance.

Such an approach helps maintain stable brake assistance and reduces the risk of improper servo operation in the long term.

If you are planning a comprehensive repair or upgrade of the braking zone in your BMW and need other elements from the same group, such as a brake servo, brake master cylinder, or additional vacuum hoses, check the available parts in the BMW Brake Servos and Master Cylinders category.

How to care for a used vacuum hose

When using a pre-owned vacuum hose, it is worth applying simple inspection procedures during service to detect any potential leaks or mechanical damage early. Regular brake system inspections, combined with an assessment of the hose condition, allow for extending the trouble-free operation time of the entire system. Additional tips on maintenance and operation of dismantled components can be found in the article How to extend the life of used car parts?, which describes practical methods for caring for mechanical elements and accessories.