BMW F20 F21 F22 F30 F31 N47N Brake Servo Vacuum Pipe Hose 7602047

BMW F20 F21 F22 F30 F31 N47N Brake Servo Vacuum Pipe Hose is an original vacuum brake system component designed for BMW 1, 2, and 3 series models with the N47N engine. This component from the Brake hoses, lines and connectors group is responsible for the stable supply of vacuum to the servo, which translates into predictable and safe brake booster operation.

Specifications and technical data

• SKU: 7602047
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7602047
• Substitutable numbers: 11667602047, 7602047
• Category: Brake Hoses, Lines & Fittings

Purpose and function in the braking system

The brake servo vacuum pipe in the N47N engine plays a key role in the vacuum brake booster area. It connects the vacuum source to the servo, ensuring:

• stable brake pedal booster operation under various engine loads,
• proper braking system response to pedal pressure,
• maintenance of vacuum circuit tightness under typical operating conditions.

By using an original pipe dedicated to the N47N unit in F20, F21, F22, F30, and F31 bodies, compatibility with the factory pipe routing geometry and the arrangement of components in the engine bay is maintained.

Why it is worth using an original BMW pipe

Using a brake servo pipe from BMW allows you to maintain the factory operating parameters of the braking system. The original component:

• is matched to the specific configuration of the N47N engine and F-series bodies,
• has a properly selected internal diameter and wall stiffness,
• is prepared for use with factory connectors and fittings.

Such a fit reduces the risk of leaks, incorrect pipe positioning, or collision with other components in the engine bay. In practice, this translates into stable brake assistance and repeatable brake pedal feel.

Characteristics of the used component

The offered brake servo pipe is a used part, sourced from dismantling, which represents a reasonable compromise between cost and maintaining the original BMW specification. This type of component, when used correctly, is not a fast-wearing part, which is why its reuse in another vehicle is a frequently practiced and technically justified solution.

When choosing a used servo pipe, it is worth paying attention to:

• the absence of visible cracks and abrasions on the surface,
• the condition of the ends and connectors,
• tightness in the area of factory connections.

Selecting an original component from the same engine and body family minimizes the risk of installation problems and the need for modifications.

Compatibility with the BMW model family

The pipe has been designed to work with the N47N unit in popular BMW 1, 2, and 3 series F-generation models. This means that its geometry, length, and routing method are adapted to the typical layout of accessories in these cars. The use of the correct pipe in this area is important not only for the operation of the brake booster but also for service ergonomics – access to other components remains consistent with factory specifications.

Safe selection of used braking system components

When replacing the brake servo pipe, many users also consider other components within the braking system. To consciously approach the purchase of used parts, such as discs, calipers, or ABS components, it is worth using the practical tips contained in the article: Second-hand braking system: how to safely choose discs, calipers, and ABS?. This is a helpful addition to your knowledge when planning broader service work.

Expanding work within the BMW braking system

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 flexible hoses, rigid lines, or vacuum system connectors, check the available parts in the BMW brake hoses, lines and connectors category.