BMW 1 3 Series 2 E87 E90 E91 N43 Petrol Power Brake Vacuum Pipe Hose 7549698

Brake booster vacuum hose for BMW 1 and 3 Series is an original brake system component designed for N43 gasoline engines in BMW E87, E90, and E91 models. As a part from the Brake hoses, lines, and connectors category, it ensures a stable vacuum supply to the brake booster, which translates to predictable power brake operation and safe speed reduction.

Specifications and technical data

• SKU: rhd-7549698-2
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7549698
• Substitutable numbers: 7549698, 11667549698
• Fuel type: Petrol
• Category: Brake Hoses, Lines & Fittings

Application in BMW Brake System

The presented vacuum hose is dedicated to N43 gasoline engines in BMW 1 Series E87 and 3 Series E90/E91. It is responsible for transporting vacuum from the engine to the brake booster, ensuring the brake pedal maintains its proper characteristics and braking force remains consistent. Using the correct hose in the vacuum system is crucial for stable power brake operation and reducing the risk of braking efficiency loss.

Vacuum Hose Construction and Function

The brake booster vacuum hose in this BMW model is designed with a precisely selected inner diameter and shape to ensure proper flow and system sealing. The hose construction includes:

• resistance to the temperature generated by the N43 gasoline engine,
• rigidity that prevents the hose from kinking under load changes,
• mounting and routing points designed by BMW for the engine bay.

This ensures the hose maintains stable vacuum, resulting in consistent brake pedal response and predictable vehicle behavior during braking.

Benefits of Using an Original BMW Hose

Choosing an original brake booster vacuum hose for BMW 1 and 3 Series allows you to maintain the factory parameters of the brake system. The key benefits include:

• Factory Fit – correct hose length, diameter, and geometry, with no modifications required.
• Compatibility with the N43 gasoline engine and the factory brake booster in E87, E90, and E91.
• Reduced risk of vacuum system leaks that could affect braking effectiveness.
• Consistency with other parts in the Brake hoses, lines, and connectors category for this BMW model.

A properly selected vacuum hose is an important element of brake system maintenance – replacing it at the first signs of wear can prevent issues such as a hard brake pedal or uneven power brake operation.

Part Selection and Verification in Practice

When selecting a brake booster vacuum hose for BMW 1 and 3 Series with an N43 gasoline engine, it is important to ensure compatibility with the specific body version (E87, E90, E91) and brake system configuration. It is helpful to compare the shape and routing of the hose with the part installed in the vehicle, as well as verify compatibility in BMW catalogs. For used parts, it is essential to check that the hose has no cracks, abrasions, or signs of previous repairs that could compromise system sealing.

If you want to better understand how to safely choose brake system components from the aftermarket, the following guide will be helpful: how to safely choose used brake system components.

Other BMW Brake Hoses, Lines, and Connectors

If you are also looking for other BMW brake hoses, lines, and connectors for your car, check out our dedicated offer: BMW brake hoses, lines, and connectors. This will allow you to easily assemble a cohesive set of brake system components in one place, ensuring compatibility with the manufacturer's original solutions.

Summary

The Brake booster vacuum hose for BMW 1 and 3 Series with N43 gasoline engine is the right choice for drivers who want to maintain the efficiency and predictability of the brake system in their E87, E90, and E91 models. Its original design, specific engine fitment, and belonging to the Brake hoses, lines, and connectors category make this part a solid foundation for professional brake system service and repair in BMW vehicles.